Retired Air Force Brig. Gen. Robert F.C. Winger, 52, a decorated combat veteran of the Vietnam War who was a project manager with the Quest Research Corp., a McLean consulting concern, since retiring from active duty in 1977, died of cancer Aug. 2 at the Hospice of Northern Virginia. He lived in Springfield.

Gen. Winger flew 260 fighter missions with the 1st Commando Squadron in Vietnam in 1966. He later commanded a tactical fighter wing in West Germany and attended the Air Command and Staff College and the National War College. He was commandant of the command and staff college in 1975, and was serving in the office of the Joint Chiefs of Staff when he retired from the Air Force.

His decorations included the Distingished Flying Cross, the Legion of Merit, the Bronze Star Medal, and the Air Medal with 12 Oak Leaf Clusters.

Gen. Winger was a native of Kansas City, Mo. He was a 1952 graduate of the U.S. Military Academy at West Point and earned a master's degree in Spanish at Middlebury College.

Before going to Vietnam, he flew fighters, was a member of the faculty of the Air Force Academy at Colorado Springs, Col., and commanded the Torrejon Air Base in Spain.

Survivors include his wife, Marian, and a son, Donald, both of Springfield; four daughters, Carrie Tyer of Fairfax, and Pamela, Elizabeth, and Alisa Winger, all of Springfield; a sister, Mary W. Swift, and two brothers, George and Joe, all of Kansas City.