 It formed a convoy long with 240 vehicles and 1,100 men to Upper Marlboro, Maryland.Subsequent convoys from the Fort included one  long that camped on the Gettysburg Battlefield on July 31; one with 300 men and 96 vehicles to Tobyhanna Artillery Range via Pottstown, Pennsylvania, on August 14, and another to Gettysburg on October 11.The Experimental Motorized Force to Tobyhanna included a gasoline-electric bus and 1,050 men and 45 officers with "the first armored troop (cavalry); one rifle company of infantry; one machine gun company of infantry; one battery of field artillery and detachments of engineers, ordnance and signal troops.