sentences:  The 449th Bombardment Wing, Heavy was activated in 1963 at Kincheloe AFB, Michigan, assuming the mission, aircraft and equipment of the 4239th Strategic Wing and trained for strategic operations flying Boeing B-52 Stratofortresses and Boeing KC-135 Stratotankers as part of Strategic Air Command.The wing inactivated in 1977 with the closure of Kincheloe AFB.In 1985 the group and the wing were consolidated, but remained inactive.