Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. North American Aviation T-6 Texan, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. North American Aviation T-6 Texan, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. North American Aviation T-6 Texan, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. North American Aviation T-6 Texan, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. North American Aviation T-6 Texan, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)B2-4 Liberator Diamond Lil awaits her practice run at Manassas Airport near Washington D.C. Although more than 18,000 were built, she is one of only two that remain flying.Planes stand on the tarmac at Culpeper Municipal Airport in preparation for the 70th anniversary of VE Day flyover on the National Mall. Shown is a row of T-1 Texan trainer aircraft.FiFi, the last flying B-29 Superfortress, taxis out for her practice run at Manassas Airport near Washington D.C.Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. A Boeing B-29 Superfortress, a four-engine propeller-driven heavy bomber during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)FiFi, the last flying B-29 Superfortress, slated to fly "Tail End Charlie" in the Arsenal of Democracy Flyover of the National Mall.Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. A Boeing-Stearman Model 75, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. North American Aviation T-6 Texan, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. North American Aviation T-6 Texan, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. A North American B-25 Mitchell, a twin-engined medium bomber during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. A North American B-25 Mitchell, a twin-engined medium bomber during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. A Grumman TBF, used as a a torpedo bomber during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. A North American Aviation P-51 Mustang a long-range, single-seat fighter and fighter-bomber during World War II, practices for the fly over at Culpepper Regional Airport. (Lars Schwetje/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. North American Aviation T-6 Texan, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Bob Lennox/Staff)Vintage war birds practice for The Arsenal of Democracy Flyover, which will feature aircraft that few during World War II, flying over the World War II Memorial in Washington DC. North American Aviation T-6 Texan, used as a trainer during World War II, practices for the fly over at Culpepper Regional Airport. (Bob Lennox/Staff)