Musical salute to the USO--United Service Organizations--on its 20th anniversary of providing recreation and entertainment for millions of American servicemen in far-flung lands. Includes musical numbers, dance, a brief filmed tribute by former President Harry S. Truman, and a film segment of famous stars in the service of the USO, including Bob Hope, Lucille Ball, Marilyn Monroe, Danny Kaye, Debbie Reynolds, Betty Hutton, Jack Benny, Donald O'Connor, Al Jolson, and Joe E. Brown. Introduction by Bob Crosby -- You'd Be So Nice To Come Home To / performed by Jane Morgan -- Shoo-Shoo Baby / performed by Paula Kelly and the Modernaires -- Wing and a Prayer / performed by Kelly and the Modernaires -- Don't Sit Under the Apple Tree / performed by Crosby and Morgan -- They're Either Too Young or Too Old / performed by Morgan -- In My Arms / performed by Crosby, Morgan, and the Modernaires -- Tribute to Glenn Miller medley (Kalamazoo/Moonlight Cocktails/Chattanooga Choo Choo) / performed by