Martin A-30 Baltimore (U.S. Air Force Photograph.) black-and-white photos USAAF Martin A-30 April 14, 2017by Lone_Sentry_Admin1 min read A Martin A-30 Baltimore in U.S. Army Air Force markings prior to delivery to the Royal Air Force under Lend-Lease. (U.S. Air Force Photograph.) Martin A-30 Baltimore (U.S. Air Force Photograph.)