Constituted as 320 Bombardment Squadron (Heavy) on Jan 28, 1942. Activated on Apr 15, 1942. Redesignated as 320 Bombardment Squadron, Heavy, on March 6, 1944. Inactivated on Jan 27, 1946. Thanks to Wikipedia for the information. Basic shipping included to most countries. Additional costs may incur for EURO, South America and African countries.