The Douglas B-18 Bolo is an American heavy bomber which served with the United States Army Air Corps and the Royal Canadian Air Force during the late 1930s and early 1940s. The Bolo was developed by the Douglas Aircraft Company from their DC-2 as a replacement for the Martin B-10.

Lowry Air Force Base is a former United States Army Air Forces (USAAF) training base during World War II and a United States Air Force (USAF) training base during the Cold War. From 1955-1958, it served as the initial site of the U.S. Air Force Academy. It is a U.S. Formerly Used Defense Site (B08CO0505).