Flight preparation
JACKSONVILLE AIR NATIONAL GUARD BASE, Fla. (AFPN) -- Five F-15 Eagles sit on the flightline here before a morning launch Jan. 22. The Eagles are with the 125th Fighter Wing. The wing is participating in an operational readiness exercise to help ensure the unit is capable of deploying personnel and equipment safely and efficiently. (U.S. Air Force photo by Master Sgt. Larry Show)