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U.S Marines, with Golf Battery, Battalion Landing Team 1st Battalion, 7th Marine Regiment, 31st Marine Expeditionary Unit, work together to quickly reload their M777 towed 155mm howitzer during a 15 round fire mission in Queensland, Australia on July 13, 2025 as part of Talisman Sabre 2025. Talisman Sabre 25
Talisman Sabre 25
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An F/A-18E Super Hornet, attached to Strike Fighter Squadron (VFA) 195, takes off from the flight deck of Nimitz-class aircraft carrier USS George Washington (CVN 73) while underway in the Celebes Sea, July 13, 2025. USS George Washington Conducts Flight Operations
USS George Washington Conducts Flight Operations
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High Mobility Artillery Rocket Systems from the Australian Army, the United States Army and the Singapore Army fire a salvo of rockets during a combined joint live fire exercise in Queensland, Australia during Exercise Talisman Sabre 25. Talisman Sabre 25 - CJLFX
Talisman Sabre 25 - CJLFX
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Two U.S. Marine Corps F-35B Lightning II aircraft assigned to Marine Fighter Attack Squadron (VMFA) 242, 31st Marine Expeditionary Unit, land on the flight deck of the forward-deployed amphibious assault ship USS America (LHA 6) while conducting flight operations during Exercise Talisman Sabre 25 in the Coral Sea, July 13. USS America (LHA 6) Conducts Flight Operations during Exercise Talisman Sabre 25
USS America (LHA 6) Conducts Flight Operations during Exercise Talisman Sabre 25
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Sailors, assigned to deck department’s forward division, heave a phone-and-distance line on the flight deck of Nimitz-class aircraft carrier USS George Washington (CVN 73) during a fueling-at-sea evolution with Military Sealift Command chartered ship motor tanker Badlands Trader while underway in the Celebes Sea, July 10, 2025. George Washington Conducts Fueling-at-Sea Evolution with Badlands Trader
George Washington Conducts Fueling-at-Sea Evolution with Badlands Trader
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A 33-foot Force Protection-Medium Harbor Security Boat attached to Commander, Fleet Activities Okinawa’s (CFAO) Naval Security Forces (NSF) conducts high-speed maneuvers during a Citadel Protect weapons training exercise in the waters near White Beach Naval Facility, Japan, July 9, 2025. Fleet Activities Okinawa Enhances Readiness During Citadel Protect Exercise
Fleet Activities Okinawa Enhances Readiness During Citadel Protect Exercise
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U.S. Marines with 1st Light Armored Reconnaissance Company, Battalion Landing Team 1st Battalion, 7th Marine Regiment, 31st Marine Expeditionary Unit, conduct a mechanized patrol on Light Armored Vehicles during a force on force exercise at Shoal Water Bay Training Area, Queensland, Australia, July 4, 2025. Marines participated in this training in order to refine their lethality and interoperability against one another. The 31st MEU is operating aboard ships of the USS America Amphibious Ready Group in the 7th Fleet area of operations, the U.S. Navy’s largest forward-deployed numbered fleet, and routinely interacts and operates with allies and partners in preserving a free and open Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Raul Sotovilla) 31st MEU | LAR conducts a force on force
31st MEU | LAR conducts a force on force
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The Republic of Korea Air Force aerobatic demonstration team, the Black Eagles, practice aerial maneuvers over Camp Humphreys, South Korea, July 3, 2025. ROKAF Black Eagles soar over Camp Humphreys
ROKAF Black Eagles soar over Camp Humphreys
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U.S. Marine Corps Lt. Col. Devon Tschirley, station executive officer, Marine Corps Air Station Iwakuni, marches with the color guard during a change of command ceremony at MCAS Iwakuni, Japan, July 2, 2025. Marine Corps Air Station Iwakuni Change of Command Ceremony
Marine Corps Air Station Iwakuni Change of Command Ceremony
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A U.S. Marine F-35B Lightning II aircraft from Marine Fighter Attack Squadron (VMFA) 242, 31st Marine Expeditionary Unit, prepares to land on the flight deck of the forward-deployed amphibious assault ship USS America (LHA 6) during flight operations in the Coral Sea, June 29. USS America (LHA 6) Conducts Flight Operation
USS America (LHA 6) Conducts Flight Operation
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Japan Air Self-Defense Force members from the Naha Air Rescue Squadron ride on a U.S. Air Force HH-60W Jolly Green II assigned to the 33rd Rescue Squadron, in support of exercise Cope Angel 25-1 at Kadena Air Base, Japan, June 26, 2025. Cope Angel 2025: U.S and Japan sharpen search and rescue skills
Cope Angel 2025: U.S and Japan sharpen search and rescue skills
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U.S. Marines with Baker Company, Battalion Landing Team 1st Battalion, 7th Marine Regiment, 31st Marine Expeditionary Unit, conduct ship-to-shore movement, utilizing the Enhanced Combat Rubber Reconnaissance Craft, in the Coral Sea, June 29, 2025. 31st MEU | Boat Company Conducts Ship-to-Shore Movement
31st MEU | Boat Company Conducts Ship-to-Shore Movement
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CORAL SEA (July 1, 2025) Three U.S. Marine Corps F-35B Lightning II aircraft, assigned to Marine Fighter Attack Squadron (VMFA) 242, 31st Marine Expeditionary Unit, fly by the forward-deployed amphibious assault ship USS America (LHA 6) while conducting flight operations in the Coral Sea, July 1. The America, lead ship of the America Amphibious Ready Group, is operating in the U.S. 7th Fleet area of operations. U.S. 7th Fleet is the U.S. Navy’s largest forward-deployed numbered fleet, and routinely interacts and operates with allies and partners in preserving a free and open Indo-Pacific region. (U.S. Navy photo illustration by Mass Communication Specialist 3rd Class Kenneth Melseth) VMFA-242 aircraft conduct flyover of USS America in Coral Sea
VMFA-242 aircraft conduct flyover of USS America in Coral Sea
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A U.S. Marine Corps CH-53E Super Stallion assigned to Marine Medium Tiltrotor Squadron (VMM) 265 (Rein.), 31st Marine Expeditionary Unit, takes off during flight operations aboard the amphibious transport dock USS San Diego (LPD 22), in the Coral Sea, June 28, 2025. Marines and Sailors conducted flight operations in order to expand mission capabilities in support of the 31st MEU. The 31st MEU is operating aboard ships of the America Amphibious Ready Group in the U.S. 7th Fleet area of operations, the U.S. Navy’s largest forward-deployed numbered fleet, and routinely interacts and operates with allies and partners in preserving a free and open Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Trevor BishopWilliams) USS San Diego conducts flight ops in Coral Sea
USS San Diego conducts flight ops in Coral Sea
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U.S. Marine Corps Sgt. Dawson Dauzat operates an M142 High Mobility Artillery Rocket System during a field training exercise at Combined Arms Training Center Camp Fuji, Japan, June 8, 2025. The training demonstrates 3d Battalion, 12th Marine Regiment’s ability to rapidly deploy long-range fire throughout the Indo-Pacific. Dauzat, a native of Texas, is a field artillery cannoneer with 3d Battalion, 12th Marine Regiment, 3d Marine Division. (U.S. Marine Corps photo by Lance Cpl. Rodney Frye) 3/12 Executes a HIMARS Dry-Fire Training at Camp Fuji
3/12 Executes a HIMARS Dry-Fire Training at Camp Fuji
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Two sailors in diving gear attach wires to a mine in deep blue waters. Mine Matters
Mine Matters
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A CMV-22B Osprey, attached to Fleet Logistics Support Squadron (VRM) 30, readies for takeoff on the flight deck of the Nimitz-class aircraft carrier USS George Washington (CVN 73) while underway in the Philippine Sea, June 23. The George Washington Carrier Strike Group (GWA CSG) is on patrol in the U.S. 7th Fleet area of operations. The George Washington is the U.S. Navy’s premier forward-deployed aircraft carrier, a long-standing symbol of the United States’ commitment to maintaining a free and open Indo-Pacific region, while operating alongside allies and partners across the U.S. Navy’s largest numbered fleet. (U.S. Navy photo by Mass Communication Specialist 2nd Class August Clawson) USS George Washington conducts flight ops in Philippine Sea
USS George Washington conducts flight ops in Philippine Sea
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Aviation Boatswain’s Mate (Handling) 1st Class Rebekah Hood, from Gilbert, Arizona, assigned to the forward-deployed amphibious assault ship USS America (LHA 6) directs an MH-60S Seahawk from Helicopter Sea Combat Squadron (HSC) 25 on the flight deck of the America while conducting flight operations in the Tasman Sea, June 20. USS America (LHA 6) Conducts Flight Operation
USS America (LHA 6) Conducts Flight Operation
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Sailors aboard the Arleigh Burke-class guided-missile destroyer USS John Finn (DDG 113) take in a line on the fo’c’sle during a sea and anchor detail in Yokosuka, Japan, June 21. The John Finn is forward-deployed and assigned to Destroyer Squadron (DESRON) 15, the Navy’s largest DESRON and the U.S. 7th Fleet’s principal surface force. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alexandria Esteban) USS John Finn departs Yokosuka
USS John Finn departs Yokosuka
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U.S. Army Soldiers from the Transformation in Contact enabled 2nd MBDE, 25th Infantry Division train alongside their Philippine 5th Infantry Division Partners in Operational Maneuver in Northern Luzon, Philippines, June 17, 2025. Salaknib 25 | Operation Maneuver
Salaknib 25 | Operation Maneuver
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An F-35C Lightning II, attached to Strike Fighter Squadron (VFA) 147, lines up on a catapult on the flight deck of Nimitz-class aircraft carrier USS George Washington (CVN 73) while underway in the Philippine Sea, June 19, 2025. The George Washington Carrier Strike Group (GWA CSG) is on patrol in the U.S. 7th Fleet area of operations. The George Washington is the U.S. Navy’s premier forward-deployed aircraft carrier, a long-standing symbol of the United States’ commitment to maintaining a free and open Indo-Pacific region, while operating alongside allies and partners across the U.S. Navy’s largest numbered fleet. (U.S. Navy photo by Mass Communication Specialist 2nd Class August Clawson) USS George Washington conducts flight operations in Philippine Sea
USS George Washington conducts flight operations in Philippine Sea
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Sailors signal for an F/A-18F to launch off the flight deck of Nimitz-class aircraft carrier USS George Washington (CVN 73) while underway in the Philippine Sea, June 16, 2025. U.S. 7TH FLEET AREA OF RESPONSIBILITY
U.S. 7TH FLEET AREA OF RESPONSIBILITY
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A U.S. Marine with Weapons Company, Battalion Landing Team 1st Battalion, 7th Marine Regiment, 31st Marine Expeditionary Unit, tests his L3Harris Binocular Night Vision Device (PVS-31) during a night live-fire deck shoot aboard amphibious transport dock USS San Diego (LPD 22), in the Timor Sea, June 12, 2025. 31st MEU | Live-fire deck shoot aboard USS San Diego
31st MEU | Live-fire deck shoot aboard USS San Diego
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Naval Air Crewman (Helicopter) 2nd Class Jeremy Valdez from Kaneohe, Hawaii, assigned to the Golden Falcons of Helicopter Sea Combat Squadron (HSC) 12, looks down at Nimitz-class aircraft carrier USS George Washington (CVN 73) in an MH-60S Seahawk while underway in the Philippine Sea, June 15, 2025. George Washington Conducts Helicopter Operations
George Washington Conducts Helicopter Operations
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U.S. Army Soldiers assigned to 11th Military Police Brigade, 200th Military Police Command, march during the opening ceramony for Khaan Quest 2025, on June 14, 2025, at Five Hills Training Area, Mongolia. Khaan Quest kicks off with an opening ceremony
Khaan Quest kicks off with an opening ceremony
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Sailors assigned to the Los Angeles-class fast-attack submarine USS Annapolis (SSN 760) conduct mooring operations at Polaris Point, Naval Base Guam, June 11, 2025. USS Annapolis (SSN 760) returns to Naval Base Guam
USS Annapolis (SSN 760) returns to Naval Base Guam
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An F-35C Lightning II, attached to Strike Fighter Squadron (VFA) 147, approaches a catapult on the flight deck of Nimitz-class aircraft carrier USS George Washington (CVN 73) while underway in the Philippine Sea, June 12, 2024. The George Washington Carrier Strike Group (GWA CSG) is on patrol in the U.S. 7th Fleet area of operations. The George Washington is the U.S. Navy’s premier forward-deployed aircraft carrier, a long-standing symbol of the United States’ commitment to maintaining a free and open Indo-Pacific region, while operating alongside allies and partners across the U.S. Navy’s largest numbered fleet. (U.S. Navy photo by Mass Communication Specialist 2nd Class August Clawson) USS George Washington conducts flight ops in Philippine Sea
USS George Washington conducts flight ops in Philippine Sea
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An F/A-18E Super Hornet from the “Blue Diamonds” of Strike Fighter Squadron (VFA) 146 prepares to launch from the flight deck of the aircraft carrier USS Nimitz (CVN 68) in the South China Sea, June 6, 2025. Nimitz Conducts Flight Operations
Nimitz Conducts Flight Operations
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U.S. Marine Corps F-35B Lightning II aircraft assigned to Marine Fighter Attack Squadron (VMFA) 242, 31st Marine Expeditionary Unit, prepares to take off during touch-and-go flight operation drills aboard the amphibious assault ship USS America (LHA 6), in the Solomon Sea, June 8, 2025. Marine F-35Bs bring a 5th generation multi-discipline strike capability to support combined-joint all domain operations in key maritime terrain. The 31st MEU is operating aboard ships of the USS America Amphibious Ready Group in the 7th Fleet area of operations, the U.S. Navy’s largest forward-deployed numbered fleet, and routinely interacts and operates with allies and partners in preserving a free and open Indo-Pacific region. (U.S. Marine Corps photo by Sgt. Peter Rawlins)U.S. Marine Corps F-35B Lightning II aircraft assigned to Marine Fighter Attack Squadron (VMFA) 242, 31st Marine Expeditionary Unit, prepares to take off during touch-and-go flight operation drills aboard the amphibious assault ship USS America (LHA 6), in the Solomon Sea, June 8, 2025. Marine F-35Bs bring a 5th generation multi-discipline strike capability to support combined-joint all domain operations in key maritime terrain. The 31st MEU is operating aboard ships of the USS America Amphibious Ready Group in the 7th Fleet area of operations, the U.S. Navy’s largest forward-deployed numbered fleet, and routinely interacts and operates with allies and partners in preserving a free and open Indo-Pacific region. (U.S. Marine Corps photo by Sgt. Peter Rawlins) 31st MEU | F-35B Lightning IIs conduct rapid flight operations
31st MEU | F-35B Lightning IIs conduct rapid flight operations
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Sailors man the rails aboard amphibious assault carrier USS Tripoli (LHA 7), as the ship pulls into Pearl Harbor, Hawaii, June 6, 2025. Sailors man the rails aboard amphibious assault carrier USS Tripoli (LHA 7), as the ship pulls into Pearl Harbor
Sailors man the rails aboard amphibious assault carrier USS Tripoli (LHA 7), as the ship pulls into Pearl Harbor
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U.S. Air Force F-16 Fighting Falcons assigned to the 14th Fighter Squadron receive fuel from a KC-46A Pegasus assigned to the 60th Air Mobility Wing during an off-station training near Misawa Air Base, June 5, 2025. Travis AFB sends KC-46 across the Pacific to train with Misawa F-16s
Travis AFB sends KC-46 across the Pacific to train with Misawa F-16s
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hilippine Marines with 3rd Brigade fire a 40mm Bofors anti-aircraft system during a counter-landing live-fire event for KAMANDAG 9 at Quezon, Palawan, Philippines, June 4, 2025. KAMANDAG 9: MRF-D 25.3 and PMC conduct a counter-landing live-fire defense
KAMANDAG 9: MRF-D 25.3 and PMC conduct a counter-landing live-fire defense
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A Marine Nationale rescue swimmer descends from a French Navy Flottille 35F AS365 Dauphin helicopter during a joint training exercise between the French Navy and U.S. Coast Guard Cutter Harriet Lane (WMEC 903) on May 31, 2025 off the Coast of Tahiti, French Polynesia. Coast Guard Cutter Harriet Lane Performs joint flight operations with French Navy off the coast of Tahiti
Coast Guard Cutter Harriet Lane Performs joint flight operations with French Navy off the coast of Tahiti
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Four aircraft fly through a blue sky near clouds over an island as seen through the open exit of an aircraft. 506th EARS Refuel A-10s across the Pacific
506th EARS Refuel A-10s across the Pacific
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Philippine Army Soldiers assigned to 71st Infantry Battalion, 702nd Brigade, 7th Infantry Division, move to an objective during Salaknib 25 at Fort Magsaysay, Philippines, June 6, 2025. Salaknib 25 | Final Assault
Salaknib 25 | Final Assault
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A U.S. Marine Corps AH-1Z Viper, left, attached to Marine Light Attack Helicopter Squadron 369, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, refuels on the flight deck of the amphibious dock landing ship USS Harpers Ferry (LSD 49) during Quarterly Underway Amphibious Readiness Training 25.3 while underway in the Pacific Ocean, June 3, 2025. QUART: HMLA-369 Conducts Deck Landing Qualifications Aboard USS Harpers Ferry
QUART: HMLA-369 Conducts Deck Landing Qualifications Aboard USS Harpers Ferry
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U.S. Marines with 2nd Battalion, 1st Marine Regiment, Marine Rotational Force – Darwin 25.3, conduct communications checks during Exercise Southern Jackaroo at Townsville Field Training Area, Queensland, Australia, May 30, 2025. MRF-D 25.3: 2nd Bn., 1st Marines, conduct raid with VMM-363 during Southern Jackaroo
MRF-D 25.3: 2nd Bn., 1st Marines, conduct raid with VMM-363 during Southern Jackaroo
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A U.S. Marine Corps CH-53E Super Stallion attached to Marine Heavy Helicopter Squadron 466, Marine Aircraft Group 16, 3rd Marine Aircraft Wing, prepares to lift off the flight deck of the of the amphibious dock landing ship USS Harpers Ferry (LSD 49) during Quarterly Underway Amphibious Readiness Training 25.3 while underway in the Pacific Ocean, June 1, 2025. QUART: CH53s Conduct Deck Landing Qualifications Aboard USS Harpers Ferry
QUART: CH53s Conduct Deck Landing Qualifications Aboard USS Harpers Ferry
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A U.S. Marine Corps F-35B lightning II aircraft assigned to Marine Fighter Attack Squadron (VMFA) 242, 31st Marine Expeditionary Unit, prepares to land during night flight operations aboard the amphibious assault ship USS America (LHA 6), in the Philippine Sea, May 31, 2025. 31st MEU | F-35B night flight operations
31st MEU | F-35B night flight operations
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U.S. Marines with 2nd Battalion, 1st Marine Regiment, Marine Rotational Force – Darwin 25.3, disembark off an MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron 363 (VMM-363), MRF-D 25.3, during an air assault rehearsal as part of Predator’s Walk at Mount Bundey Training Area, Northern Territory, Australia, May 28, 2025. MRF-D 25.3: 2nd Bn., 1st Marines, VMM-363 conduct air assault rehearsals during Predator’s Walk
MRF-D 25.3: 2nd Bn., 1st Marines, VMM-363 conduct air assault rehearsals during Predator’s Walk
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Chief Logistics Specialist Jonathan Cruz, right, from Olongapo, Philippines, and Chief Logistics Specialist Antonio Evans, from Los Angeles, both assigned to supply department’s aviation supply division, participate in vertical replenishment training on the flight deck of Nimitz-class aircraft carrier USS George Washington (CVN 73) while underway in the Philippine Sea, May 28, 2025. Conducts Vertical Replenishment Training
Conducts Vertical Replenishment Training
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U.S. Marines with 2nd Battalion, 23rd Marines, forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, clear buildings during a live fire shoothouse as a part of military operations in urban terrain training during Korea Viper 25.4 at Camp Rodriguez, South Korea, May 24, 2025 Activated Reserve Marines Conduct Live Fire MOUT during Korea Viper 25.4
Activated Reserve Marines Conduct Live Fire MOUT during Korea Viper 25.4
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pilot inside a cockpit salutes towards out of frame person PACAF F-16 Demo Team conducts final flight after 30 years of enhancing U.S. relations worldwide
PACAF F-16 Demo Team conducts final flight after 30 years of enhancing U.S. relations worldwide
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Two U.S. Marine Corps MV-22B Osprey aircraft assigned to Marine Medium Tiltrotor Squadron (VMM) 364, Marine Aircraft Group 39, 3rd Marine Aircraft Wing, fly in formation over Northern Luzon, Philippines, during KAMANDAG 9, May 27, 2025. KAMANDAG 9: VMM-364 Inserts Marines into Basco Island, Philippines
KAMANDAG 9: VMM-364 Inserts Marines into Basco Island, Philippines
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An unarmed Minuteman III Intercontinental Ballistic Missile launches during an operational test at 12:01 Pacific Time May 21, 2025, at Vandenberg Space Force Base, Calif. Operational Test Launch GT 253 is a 'Glory Trip' for wing
Operational Test Launch GT 253 is a 'Glory Trip' for wing
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E/A-18G Growlers from the “Cougars” of Electronic Attack Squadron (VAQ) 139 fly near the aircraft carrier USS Nimitz (CVN 68) in the South China Sea, May 27, 2025. Nimitz Conducts Flight Operations
Nimitz Conducts Flight Operations
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The State Office of Veterans’ Services hosted the Governor’s Memorial Day Ceremony on May 29, 2025, at the Hawai‘i State Veterans Cemetery in Kāneʻohe, Hawaiʻi. Governor's Memorial Day Ceremony
Governor's Memorial Day Ceremony
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U.S. Marines with 3d Littoral Combat Team, 3d Marine Littoral Regiment, 3d Marine Division, engage targets during a high explosive in support of Exercise KAMANDAG 9 at Colonel Ernesto Rabina Air Base, Philippines, May 22, 2025. KAMANDAG 9: 3d LCT conducts high explosive battle drills
KAMANDAG 9: 3d LCT conducts high explosive battle drills
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U.S. Marines with 2nd Battalion, 23rd Marines, forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, set security for U.S. Army Soldiers with the 23rd Chemical Battalion during joint chemical, biological, radiological, and nuclear defense training during Korea Viper 25.4 at Camp Stanley, South Korea, May 20, 2025. Activated Reserve Marines Conduct CBRN Response Training with U.S. Army during Korea Viper 25.4
Activated Reserve Marines Conduct CBRN Response Training with U.S. Army during Korea Viper 25.4
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Two F-35B Lightning II fighter aircrafts from Marine Fighter Attack Squadron (VMFA) 242, prepare to land on the flight deck the forward-deployed amphibious assault ship USS America (LHA 6) while conducting flight operations in the East China Sea, May 20. USS America (LHA 6) Conducts Flight Operations
USS America (LHA 6) Conducts Flight Operations
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An F/A-18E Super Hornet from the “Kestrels” of Strike Fighter Squadron (VFA) 137 prepares to make an arrested landing on the flight deck of the aircraft carrier USS Nimitz (CVN 68) in the South China Sea, May 14, 2025. Nimitz Conducts Flight Operations
Nimitz Conducts Flight Operations
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Participants of the Four Chaplain Memorial Run and Ruck trek through the Norwegian Foot March course at Osan Air Base, Republic of Korea, May 17, 2025. The NFM was first held in 1915 to test the physical stamina of soldiers in the Norwegian Army and prepare them for long marches in harsh conditions. (U.S. Air Force photo by Senior Airman Sarah Williams) Four Chaplains: Norwegian Foot March
Four Chaplains: Norwegian Foot March
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U.S. Marine Corps Marines assigned to the 3rd Reconnaissance Battalion conduct a military free fall demonstration during the Japanese-American Friendship Festival 2025 at Yokota Air Base, Japan, May 18, 2025 U.S., Japan display interoperability during Friendship Jump 2025
U.S., Japan display interoperability during Friendship Jump 2025
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A U.S. Air Force C-130J Super Hercules assigned to the 36th Airlift Squadron sits on the flight line during the 2025 Japanese-American Friendship Festival fireworks display at Yokota Air Base, Japan, May 18, 2025. FF25: Blaze of Friendship
FF25: Blaze of Friendship
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The U.S. 7th Fleet flagship USS Blue Ridge (LCC 19) arrives in Wellington, New Zealand, May 16, 2025. Blue Ridge Arrives in Wellington, New Zealand for the First Time
Blue Ridge Arrives in Wellington, New Zealand for the First Time
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U.S. Marine Corps Lance Cpl. Eric Solano, an infantry rifleman with 2nd Battalion, 23rd Marines forward deployed with 4th Marine Regiment, 3d Marine Division as part of the Unit Deployment Program, conducts room clearings as a part of military operations in urban terrain training during Korea Viper 25.4 at Pohang, South Korea, May 10, 2025. Activated Reserve Marines Conduct MOUT Training during Korea Viper 25.4
Activated Reserve Marines Conduct MOUT Training during Korea Viper 25.4
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A U.S. Marine rappels during Jungle Leaders Course at the Jungle Warfare Training Center, Okinawa, Japan, May 02, 2025. U.S. Marines Execute Casualty Evacuation Training during Jungle Leaders Course
U.S. Marines Execute Casualty Evacuation Training during Jungle Leaders Course
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U.S. Marines with Baker Company, Battalion Landing Team 1st Battalion, 7th Marine Regiment, 31st Marine Expeditionary Unit, conduct paddling and broaching drills during small boat refresher course at White Beach Naval Facility, Okinawa, Japan, May 3, 2025. 31st MEU Boat Company conducts Small Boat Skills during MEUEX
31st MEU Boat Company conducts Small Boat Skills during MEUEX
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U.S. Marine Corps F-35B Lightning II aircraft with Marine Fighter Attack Squadron 211, Marine Aircraft Group 12, 1st Marine Aircraft Wing fly over Wake Island enroute to Marine Corps Air Station Iwakuni, Japan, May 10, 2025. F-35B Lightning IIs fly over Wake Island
F-35B Lightning IIs fly over Wake Island
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The Virginia-class fast-attack submarine USS Minnesota (SSN 783) transits Apra Harbor, Naval Base Guam, May 13, 2025. USS Minnesota (SSN 783) returns to Naval Base Guam
USS Minnesota (SSN 783) returns to Naval Base Guam
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PACOM Stories

Joint Typhoon Warning Center Increases Warnings and Improves Graphics

15 December 2017

From Lieutenant Caitlin Fine

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The first warning on a Southern Hemisphere tropical cyclone was issued Nov. 29, 2017 by the Joint Typhoon Warning Center (JTWC) in Pearl Harbor, Hawaii. Dahlia (Tropical Storm 01S) was the first Southern Hemisphere system where warnings were issued every six hours without higher authority request.

Previously, manpower constraints limited updating warnings to every 12 hours but with the training of two more typhoon duty forecasters and innovative internal business practices, JTWC is now capable of six-hourly warnings regardless of their location in the ocean.

"This periodicity change of warnings specifically enables the U.S. Pacific Command and its components greater fidelity of information on systems threatening their assets, enabling better informed decisions," said Cmdr. Jillene Bushnell, the commanding officer of JTWC. "The previous gap between warnings would regularly result in larger changes in tropical cyclone fix, intensity and forecast track based on a longer interval between forecasts in a chaotic environment. Matching our forecast accuracy and periodicity throughout our assigned Pacific and Indian Ocean regions is extremely important to me."

JTWC releases warnings on tropical cyclones above 35 knot (40 mph) wind speeds in the Pacific and Indian Oceans. Products include a graphic of the tropical cyclone depicting the historical and predicted track, wind speed, and the radius of gale (34 knot), destructive (50 knot), and typhoon (64 knot) strength winds. In addition to the graphic, the products include an explanation of the current environmental situation and forecast philosophy; a text product listing the track, wind speed, and wind radii information in six hour intervals; a satellite image showing the tropical cyclone's center position at the time of the warning; and a Google Earth overlay.

During the 2016 season, JTWC warned on 20 tropical cyclones in the Southern Hemisphere. During February 2016, the strongest Southern Hemisphere tropical cyclone on record, Severe Tropical Cyclone Winston, made landfall on the islands of Fiji with winds estimated up to 185 mph by JTWC. Winston caused almost $500 million in damage and 44 deaths in Fiji, and launched a multinational relief response to help 350,000 affected residents. Upon request, JTWC issued six-hourly warnings for Tropical Cyclone Winston as it approached the islands of Fiji, providing more detailed information that improved preparation, emergency management and follow-on humanitarian assistance and disaster relief operations.

Additionally, starting in 2018 JTWC will update its wind radii colors and graphic color scheme, change the historical track character to dashed and add clarifying information in the legend. The intent is to improve the user experience and first-use understanding. The modernized warning will be issued for tropical cyclones above 25 knots in the western North Pacific Ocean and above 34 knots in the Indian and southern Pacific Oceans.

JTWC provides tropical cyclone reconnaissance, forecast, safety warning and decision support services for operational advantage to U.S. government agencies operating in the Pacific and Indian Oceans.

JTWC also provides tsunami advisory information and recommendations to shore installations and afloat units, as well as maritime impact forecast and decision support services to U.S. Pacific Command subordinate commands, as directed.

JTWC is jointly staffed by U.S. Navy and Air Force personnel and falls under the operational control of Commander, Task Force 80.7-Commander, Naval Meteorology and Oceanography Command. U.S. Air Force personnel are sourced to JTWC by the 17th Operational Weather Squadron, a subordinate squadron of the 557th Weather Wing. 

 

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