SDDC changing command Aug. 25 Published Aug. 18, 2010 By SDDC Command Affairs SDDC SCOTT AIR FORCE BASE, Ill. -- Maj. Gen. Kevin Leonard will assume command of the Military Surface Deployment and Distribution Command in a change of command ceremony Aug. 25 at 10 a.m. at the Scott Air Force Base Parade Field. In the event of inclement weather, the ceremony will be held in Hangar 1. A ceremonial cannon salute battery will fire between 10 and 10:30 a.m. at the Parade Field signifying the change of command and bringing General Leonard in as the commanding general of SDDC. Those living or working near the parade field are advised to not be alarmed during the cannon firing salutes. Officials also urge residents and workers to turn off their car alarms during this timeframe.