316th Operations Group 316th Operations Group The 316th Operations Group (316 OG) was the flying component of the Air Force District of Washington 316th Wing, stationed at Andrews Air Force Base, Maryland. Its World War II predecessor unit, the 316th Troop Carrier Group was a highly decorated C-47 Skytrain unit that served with Ninth and Twelfth Air Force in the European and the Mediterranean theaters. As part of Operation Avalanche, the Allied invasion of Italy, the 316th dropped paratroops over the beachhead south of the Sele River on the night of 14 September 1943. Later during Operation Overlord, the Allied invasion of France,
Operation Avalanche the Allied armies a grinding and attritional slog against skillful, determined and well prepared defenses in terrain and weather conditions which favoured defense and hampered the Allied advantages in mechanised equipment and air superiority. It took until mid-January 1944 to fight through the Volturno, Barbara and Bernhardt lines to reach the Gustav Line, the backbone of the Winter Line defenses, setting the scene for the four Battles of Monte Cassino which took place between January and May 1944. Operation Avalanche Operation Avalanche was the codename for the Allied landings near the port of Salerno, executed on 9 September 1943, part