Maj. Shane Marchand, 86th Fighter Weapons Squadron project officer, briefs B-1 aviators from the 34th Bomb Squadron in preparation for the Combat Hammer exercise at Ellsworth Air Force Base, S.D., Feb. 17, 2014. As part of his role as combat hammer lead, Marchand traveled from Eglin AFB, Fla., to review the details and objectives of the exercise, emphasizing the importance of safety and remaining focused. (U.S. Air Force photo by Senior Airman Anania Tekurio/Released)
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