The Douglas A-20 Havoc (company designation DB-7) was an American attack; light bomber; intruder aircraft of World War II. It served with several Allied air forces; principally the United States Army Air Forces (USAAF); the Soviet Air Forces (VVS); Soviet Naval Aviation (AVMF) and the Royal Air Force (RAF) of the United Kingdom.

Colonel Paul Irvin 'Pappy' Gunn (October 18; 1899 - October 11; 1957) was a United States naval aviator known mainly for his actions in the Second World War as an officer in the United States Army Air Forces.

He was known as an expert in dare-devil low-level flying; and recognized for numerous feats of heroism and mechanical ingenuity; especially modifications to the Douglas A-20 Havoc light bomber and B-25 Mitchell medium bomber that turned them into attack aircraft. Pictures From History Pictures From History