US Air Force (USAF) Major (MAJ) Tim Diemer (right), Rodeo 98 Umpire from Charleston Air Force Base (AFB), South Carolina (SC), observes the flight deck activities onboard a USAF 97th Air Mobility Wing (AMW), Altus AFB, Oklahoma (OK), C-17A Globemaster III aircraft while participating in the USAF Air Mobility Command (AMC) sponsored Rodeo 98 airlift competition at McChord AFB, Washington (WA)