Fine-tuning the fleet

A U.S. Air Force B-1B Lancer from the 34th Bomb Squadron taxiis out at Ellsworth Air Force Base, S.D., March 06, 2007. Ellsworth is conducting an Operational Readiness Exercise in preparation for a scheduled Operational Readiness Inspection later this year. (U.S. Air Force photo by SSgt Michael B. Keller)(Released by TSgt. Steven D. Wilson, 28th BW/PA)