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.
Today, Marine aviation is task organized to support the Marine Air-Ground Task Force, as the aviation combat element, by providing six functions: assault support, antiair warfare, offensive air support, electronic warfare, control of aircraft and missiles, and aerial reconnaissance.