EVB2941503: Roy Rogers and Dale Evans entertain troops in Vietnam. They sing for the crew of an Air Force C-123 transport while on a USO tour. Nov. 11, 1966 / Bridgeman Images

EVB2941519: Wives welcome home US Marine POWs. Marine wives wait with signs for their husbands who were released in Hanoi, North Vietnam, on Feb. 12, 1973 / Bridgeman Images

EVB2945273: Christmas Day dogfights streaked the sky with vapor trails from Allied and German planes. Soldiers of an anti-aircraft battery watch the action over Puffendorf, Germany. Dec. 25, 1944. Battle of the Bulge, World War 2 / Bridgeman Images

EVB2945279: U.S. soldier walks the road through a forest in the Bastogne area. He was returning from the front lines of the Battle of the Bulge in Belgium or Luxembourg. December 27, 1944. World War 2 / Bridgeman Images

EVB2945282: U.S. technical sergeant in the new snow cape used by infantrymen in snow-covered areas in Belgium. Dec. 12, 1944 through Jan.25, 1945. Battle of the Bulge, World War 2 / Bridgeman Images

EVB2945284: U.S. infantrymen of the 290th Regiment fight in fresh snowfall near Amonines, Belgium. January 4, 1945, Battle of the Bulge, World War 2 / Bridgeman Images

EVB2945286: Three soldiers of the U.S. 101st Engineers, held their woodland position all night. They defended it against German counter attack, near Wiltz, Luxembourg. Jan. 14, 1945, Battle of the Bulge, World War 2 / Bridgeman Images

EVB2945297: Large explosion near U.S. landing craft and soldiers assaulting Omaha Beach on D-Day. Photograph taken from a ship approaching Omaha Beach during the Allied invasion of Normandy on June 6, 1944. World War 2 / Bridgeman Images

EVB2945300: D Day : Canadians soldiers on Juno Beach, 1944 (photo), Unknown photographer, (20th century) / Bridgeman Images

EVB2945301: Medics administer a plasma transfusion to a wounded soldier on Omaha Beach on D-day. He is a survivor of a landing craft sunk in the Allied invasion of Normandy. June 6, 1944, World War 2 / Bridgeman Images

EVB2945311: Helmet and rifle monument to a dead U.S. soldier on a shell-blasted beach of France. He was killed on D-Day during the Normandy landings, June 6, 1944, World War 2 / Bridgeman Images

EVB2945316: Interior of a German concrete bunker on the Atlantic Wall. Hitler believed the massive coastal fortifications were impregnable. Allied D-Day invasions got past them in less than one day. June 1944, World War 2 / Bridgeman Images

EVB2945323: Landing craft carrying U. S. Rangers off the English coast near Weymouth. In the boats' rear is a medical unit which includes a chaplain. c. June 1944. World War 2 / Bridgeman Images

EVB2945326: U.S. infantry machine gun platoon moving inland from Utah Beach, 1944 (photo), Unknown photographer, (20th century) / Bridgeman Images

EVB2945327: U.S. Army MP (Military Police) practices French on a ship taking him to Normandy. June 15, 1944. World War 2 / Bridgeman Images

EVB2945329: Loading a Landing Ship in Portland, England, before the D-Day invasion. Vehicles include a Dodge WC 51 and GMC DUKW 353 to be delivered to Omaha Beach. June 1944, World War 2 / Bridgeman Images

EVB2945342: U.S. soldiers showering in an installation mounted along a hedgerow in Normandy. June-July 1944. Normandy Campaign, France, World War 2 / Bridgeman Images

EVB2945407: Aerial view of three oil refineries in Hamburg after bombing by U.S. 8th. Air Force. World War 2, June 20, 1944 / Bridgeman Images

EVB2945418: Lt. Col. Doolittle with members of his flight crew and Chinese officials in China, 1943 / Bridgeman Images

EVB2945423: U.S. 21st Bomber Command dropped incendiary bombs on Osaka, Japan. June 1, 1945, World War 2 / Bridgeman Images

EVB2945434: Allied plane burns overhead during the 1st Allied Airborne Army's assault near Wesel, Germany. The aircraft was a casualty in Operation Varsity-Plunder, the largest airborne invasion of World War 2, with 16,000 paratroops. March 24, 1945 / Bridgeman Images

EVB2945438: British Spitfire flies beside a V-1, attempting to destabilize and crash the German Buzz Bomb. World War 2, Sept. 22, 1945 / Bridgeman Images

EVB2945446: North American's P-51 Mustang Fighter. World War 2, October 1942 / Bridgeman Images

EVB2945452: Maj. Gen. Leslie Groves, military head of the Manhattan Project, speaking to workers at the Oak Ridge facility in Tennessee. Only when Atomic bombs were dropped on Japan earlier that month, did the employees understand what they were contributing to the World War 2 effort. August 29, 1945 / Bridgeman Images

EVB2945479: Hiroshima explosion was recorded at 8:15 a.m. on a wrist watch found in the ruins. August 6, 1945. World War 2. Photo by Yuichiro Sasaki / Bridgeman Images

EVB2945075: Japanese prisoner aboard the USS NEW JERSEY, naked and bathing before hundreds of sailors. Japanese POWs were bathed, clipped, 'deloused,' and issued GI clothing as soon as they are taken aboard. Dec. 1944. World War 2 / Bridgeman Images

EVB2945088: Teenage German POW's arm wound is examined by an older American soldier. In the last year of the World War 2, both Germany and U.S. lowered draft ages to fill ranks / Bridgeman Images

EVB2945100: Wernher von Braun (with arm cast), inventor of the V-2 rocket, after surrendering to U.S. Troops, 1945 / Bridgeman Images

EVB2945101: Freed Allied soldiers pose at Dulag-Luft, at Wetzlar, near Frankfurt, Germany. The POW camp housed mostly US aircraft crews shot down during World War 2 / Bridgeman Images

EVB2945103: U.S. Marines move toward the jungle front on Guadalcanal. Japanese troops occupied in the island highlands and launched nighttime attacks on the U.S. air fields. c. Jan. 1943, during World War 2 / Bridgeman Images

EVB2945124: Traffic jam in an English port, after the evacuation of British Expeditionary Force from Dunkirk. Several ships, densely packed with soldiers, in June 1940 during World War 2 / Bridgeman Images

EVB2945128: U.S. Marines patrol on Saipan advances through a grassy ravine. They follow Japanese communication lines in an effort to locate enemy positions. Battle of Saipan was fought from June 15-July 9, 1944. World War 2 / Bridgeman Images

EVB2945136: U.S. Marine Corporal Lloyd Oliver, operating a field radio in the South Pacific during World War 2. He is a full-blooded Navajo Indian 'Code Talker', a sniper and a highly regarded scout. c. 1943-45 / Bridgeman Images

EVB2945160: American POWs at in a Japanese camp in Airyokei, Takao Province, Formosa, c. 1943-44. They observe a service for 'deceased souls.' World War 2 / Bridgeman Images

EVB2945162: British colonial women and children evacuated from Singapore shortly before the Japanese invasion. World War 2, Jan.-Feb. 1942 / Bridgeman Images

EVB2945192: U.S. soldiers inspect German tactical mini-tracked vehicles. The robots carried bombs toward invading Allied troops on D-Day beaches. June 1944, World War 2 / Bridgeman Images