Bangkok--13 Feb--Image Impact Program Title: Hell over Hanoi Channel: The History Channel on TrueVisions UBC (A23) and (D44) Telecast date: Thursday, 14 February, 2008 Telecast Time: 9.00 p.m. Synopsis In some of the fiercest dog fighting ever seen during the Vietnam War, American F4 Phantom pilots Fred Olmsted and Dan Cherry take on the famed MiG-21, the most feared threat in the sky. One American, though, Steve Ritchie, becomes a legend as an Air Force Ace.