The pump: Most insulin pumps are about the size of a pager, and contain a reservoir of insulin, the pumping mechanism, battery, computer chip and screen. They are outside of the body, so they are called external pumps.
The mission of the Marine Reserve is to augment and reinforce active. Marine forces in time of war, national emergency or contingency. operations, provide personnel and operational tempo relief for the. active forces in peacetime and provide service to the community.
Marine Corps Bulletin 5400, released in September 2011, called for the reactivation of the 1st, 2nd, 3rd, and 4th Military Police Battalions, now designated as law enforcement battalions, in each Marine Expeditionary Force and Marine Forces Reserve.