The story of U.S. fighter pilots shot down over North Vietnam who became POWs for up to 8 and a half years. The story of U.S. fighter pilots shot down over North Vietnam who became POWs for up to 8 and a half years. The story of U.S. fighter pilots shot down over North Vietnam who became POWs for up to 8 and a half years. The story of U.S. fighter pilots shot down over North Vietnam who became POWs for up to 8 and a half years.