Guam tour lengths change Published Jan. 14, 2005 RANDOLPH AIR FORCE BASE, Texas (AFPN) -- The assistant secretary of defense has approved a tour length change to Guam.Beginning Jan. 1, 2006, accompanied tours will change from 24 to 36 months, and unaccompanied tours will go from 15 to 24 months. This makes an assignment to the island a long tour versus a short tour.Airmen who report to Guam before Dec. 31 will continue to receive short tour credit. Those reporting on or after Jan. 1 will serve the long tour and subsequently receive long-tour credit.Airmen can contact their local military personnel flight for more information. (Courtesy of Air Force Personnel Center News Service)