An MV-22B Osprey tiltrotor aircraft flies to a casualty evacuation drill Nov. 8 during Tomodachi relief exercise 15.2 near Izu Oshima Island, Tokyo Metropolis Prefecture, Japan. TREX 15.2 is an annual, bilateral training exercise that simulates humanitarian assistance and disaster relief missions in the Asia-Pacific region while forging a stronger U.S. and Japanese alliance. The exercise also included an HADR training mission, an in-flight demonstration for the Japanese Minister of Defense and additional Japanese politicians, and a static display and press conference for the Japanese media. - An MV-22B Osprey tiltrotor aircraft flies to a casualty evacuation drill Nov. 8 during Tomodachi relief exercise 15.2 near Izu Oshima Island, Tokyo Metropolis Prefecture, Japan. TREX 15.2 is an annual, bilateral training exercise that simulates humanitarian assistance and disaster relief missions in the Asia-Pacific region while forging a stronger U.S. and Japanese alliance. The exercise also included an HADR training mission, an in-flight demonstration for the Japanese Minister of Defense and additional Japanese politicians, and a static display and press conference for the Japanese media.