Royal Australian air force's Number 75th Squadron Leading Aircraftwoman Trish Entwistle searches through an aircraft parts log to determine what parts are needed for pre-flight maintenance on the Australian F/A-18 Hornet jets here April 7. The Australian air force 75th Squadron is a participant of the RED FLAG-Alaska 08-2 exercise. RED FLAG-Alaska is a series of Pacific Air Forces field training exercises for U.S. Forces and allies that provide joint offensive counter-air, indirection, close air support, and large force employment training in a simulated combat environment. (U.S Air Force photo/Tech. Sgt. Eric T. Sheler)