Aviation Ordnanceman 3rd Class KellyJoe Espenida, from Yokosuka, Japan, right, and Aviation Ordnanceman 2nd Class Joshua Labbe, from Rio Rancho, N.M., simulate removing ordnance during a crash and salvage training evolution on the fight deck of the amphibious assault ship USS Peleliu. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC exercise from June 26 to Aug. 1, in and around the Hawaiian Islands.