F-15 Eagles - Sentry Eagle

KINGSLEY FIELD, Ore.—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.)