American troops traveling across snow and ice during the Battle of Attu Island, May 1943Wotje Atoll, Marshall Islands seen through the periscope of USS Pollack, mid-May 1943Message from George Marshall and Ernest King to US military personnel returning from war zones, 15 May 1943, page 1 of 2Message from George Marshall and Ernest King to US military personnel returning from war zones, 15 May 1943, page 2 of 2