IA National Guard – Bagram Airfield AFGHANISTAN – Friday March 25, 2011 – Rodney White/The Des Moines Register -Iowa National Guard 832nd Engineer Company SGT Chester Harrah of Davenport rides a unicycle before his shift at BAgram Airfield. SGT Harrah, 49, has been riding a unicycle since he learned at age 8 and will try to ride for PT or for riding to work.