formation of F-15 Eagles flies over Okinawa. The aircraft are assigned to the 67th Fighter Squadron at Kadena Air Base. (U.S. Air Force photo by Tech. Sgt. Richard Freeland)

Maj. Paul Johnson performs a pre-flight inspection on an F-15 Eagle before a training sortie at Andersen Air Force Base, Guam, for Valiant Shield 2006. Major Johnson is assigned to the 44th Fighter Squadron at Kadena Air Base, Japan. (U.S. Air Force photo/Airman 1st Class Michael S. Dorus)

A formation of F-15 Eagles from the Oregon Air National Guard receive fuel from a Washington Air National Guard KC-135 Stratotanker during Exercise Sentry Eagle on Aug. 10th. Sentry Eagle is a biannual, two-day exercise held by the Oregon Air National Guards 173rd Fighter Wing. The exercise emphasizes tactics for defending friendly airspace and assets from a variety of adversaries as well as exposing participants to multiservice military forces. (U.S. Air Force photo by Staff Sgt. James L. Harper Jr.)  

Capt. Aaron Manley motions to his crew chief on Wednesday, June 14, during an operational readiness inspection at Portland Air National Guard Base in Oregon. Captain Manley is assigned to the 142nd Fighter Wing. (U.S. Air Force photo/Senior Airman John Hughel)