The Distinguished Service Cross (DSC) is the United States Army's second highest military decoration for soldiers who display extraordinary heroism in combat with an armed enemy force. (and previously, the United States Army Air Forces).
Lieutenant (later Colonel) Robert Opie Lindsay (25 December 1894 - 1 August 1952) was a World War I fighter ace credited with six aerial victories in the closing days of the war. He returned to duty during World War II; at one point he commanded Fort Sill, Oklahoma.
139th Aero Squadron
139th Aero Squadron
139th Aero Squadron - Belrain - Nov 1918.jpg
139th Aero Squadron, Souilly Aerodrome, France, November 1918
Active 21 September 1917-17 June 1919
Country United States
Branch US Army Air Roundel. svg Air Service, United States Army
Part of American Expeditionary Forces (AEF)
Fuselage Code "Flying Mercury"
Engagements World War I War Service Streamer without inscription.png
World War I
commanders Lt. David E. Putnam (Acting)
Maj. Lawrence C. Angstrom
139th Aero Squadron Emblem 139th Aero Squadron - Emblem.jpg
Fighter Nieuport 28, 1918
SPAD VII, 1918
SPAD XIII, 1918-1919
Trainer Curtiss JN-4, 1917
Operations 2d Pursuit Group
Western Front, France: 12 June-11 November 1918
Lt. Harold H. George, 5
Lt. Edward M. Haight, 5
Lt. Robert O. Lindsay, 6
Lt. Joseph S. Owens, 5
Capt. David E. Putnam, 4
* Putnam had a total of 13 aerial victories, 4 of which were shared, and also 13 probables. 9 of his victories were while he was serving with MS156 and Spa38 of the French Air Service before joining the 139th A.S.
Lt. Wendel A. Robertson, 7
Lt. Karl Schoen, Jr., 7
The 139th Aero Squadron was a Air Service, United States Army unit that fought on the Western Front during World War I.
The squadron was assigned as a Day Pursuit (Fighter) Squadron as part of the 2d Pursuit Group, First United States Army. Its mission was to engage and clear enemy aircraft from the skies and provide escort to reconnaissance and bombardment squadrons over enemy territory. It also attacked enemy observation balloons, and perform close air support and tactical bombing attacks of enemy forces along the front lines. The squadron was very successful in combat, having half a dozen Air Aces including David Putnam, Karl Schoen, Robert Opie Lindsay, and future Brigadier General Harold H. George.