U-2 (Reconnaissance aircraft) : Secret empire : Eisenhower, the CIA, and the hidden story of America's space espionage [Hoopla electronic resource] / Philip Taubman.
U-2 (Reconnaissance aircraft) -- Videodiscs. : Spy in the sky [(DVD) videorecording] / written, produced and directed by Linda Garmon ; a production of WGBH Boston for American Experience.
2003
1
U-505 (Submarine) : Steel boat, iron hearts : a U-boat crewman's life aboard U-505 [Hoopla electronic resource] / Hans Goebeler with John Vanzo.
2016
1
U-550 (Submarine) : Where divers dare : the hunt for the last U-boat / Randall Peffer. [Boundless electronic resource]
U S A Dos Passos John 1896 1970 : Novels for students. Volume 14 : presenting analysis, context, and criticism on commonly studied novels / Jennifer Smith, editor ; foreword by Anne Devereaux Jordan.| [Gale electronic resource]