Marines with Motor Transportation Operations, The Basic School, inspect a row of Humvees on Jan. 29, 2014, aboard Marine Corps Base Quantico. Marines in motor transportation are responsible for delivering people, water, ammunition and all other resources to the front lines. The Department of Defense aims to become more sustainable through alternative energy methods that will reduce risk to forces delivering those resources. - Marines with Motor Transportation Operations, The Basic School, inspect a row of Humvees on Jan. 29, 2014, aboard Marine Corps Base Quantico. Marines in motor transportation are responsible for delivering people, water, ammunition and all other resources to the front lines. The Department of Defense aims to become more sustainable through alternative energy methods that will reduce risk to forces delivering those resources.