Complex sentence: Reactivated under Strategic Air Command (SAC) in 1951 with B-47A (later B) Stratojet medium jet bombers, it began flying operational strategic bombardment and refueling missions from MacDill AFB, Florida.
Split into simpler sentences: Reactivated under Strategic Air Command in 1951 with B-47A (later B) Stratojet medium jet bombers. Began operational strategic bombardment and refueling missions from MacDill AFB, Florida.