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Royal Australian Navy Anzac-class frigate HMAS Perth (FFH 157) launches an SM-2 Standard Missile during a missile exercise conducted with Arleigh Burke-class guided-missile destroyer USS Barry (DDG 52) as part of Pacific Vanguard (PV) 22 while operating in the Philippine Sea, Aug. 28. PV 22 is an exercise with a focus on interoperability and the advanced training and integration of allied maritime forces.