(U.S. Air Force Photograph.) black-and-white photos B-24J Liberator Unloads Fuel April 16, 2016by Lone_Sentry_Admin1 min read A B-24J Liberator unloads fuel after flying “The Hump” into Kunming, China in September 1944. (U.S. Air Force Photograph.) (U.S. Air Force Photograph.)