Map of Italy shows narrowest part of peninsula where U.S. and British armies are stationed. Map highlights Anzio and Cassino. A building on top of mountain. On island of Corsica, Lt Gen Ira C Eaker, commanding general of the Mediterranean Air Forces, Maj Gen John K Cannon, leader of the Twelfth Air Force, and Brig Gen Gordon Seville of the Twelfth Tactical Air Command, plan Operation Strangle. By animation the operation is explained where pilots of Fifty-Seventh Fighter Group is required to bomb behind enemy lines and cut off the transport of enemy supplies using the P-47 Thunderbolt. Shows destroyed bridges. P-47s taxi at airfield. P-47s parked in flight line. Crew chiefs in canopy of the plane and inspect other sections of plane. Pilots board planes. Planes take off from runway. P-47s in flight over sea, mountains and a castle. P-47s in flight behind squadron leader. P-47s in flight over clouds. P-47s peel off above the bridge. An incendiary bomb is dropped on a bridge. More bridges are bombed. Explosions on bridges. P-47 in flight over fields and railroad tracks. One train spotted. P-47 strafing moving trains. Trains explode. P-47 in flight over coastline and pilot in cockpit. P-47 strafing installations and ground targets. (World War II period).
Aircraft P-47s take off from Alto Air Base. Jeep loaded with men pulls away. Morning activities of airmen before mission. Men bathe in outdoor shower and get ready. A man gets hair cut. Sign reads 'Jerry's Clip Joint'. Man reads. Men on trailer truck. Men sing and dance. Men build clubhouses. A canal. Men on raft in water. Men go into sea at beach. Men sail in small boats. Men drink and fall in water. Men play outside a building. Men lie down at beach. A man sleeps. Man feeds puppies.