RHEIN-MAIN AIR BASE, Germany (CNN) -- Troops of the U.S. 3rd CorpsSupportCommand already knew the drill by the time they headed for Hungary from Wiesbaden, Germany.
The Army's 1st Cavalry Division and elements of the 4th Infantry Division, as well as the 3rd Armored Cavalry Regiment and the 13th CorpsSupportCommand, are based at Fort Hood.