US Marine Corps Forces Central Command (MARCENT) US Marine Forces Central Command (MARFORCENT) US Marine Corps Forces Central Command (MARCENT) is designated as the Marine Corps service component for US Central Command (CENTCOM). MARCENT is responsible for all Marine Corps forces in the CENTCOM area of responsibility.
Aluminium carbide, chemical formula Al 4 C 3, is a carbide of aluminium.
Salt-like (saline) carbides are composed of the highly electropositive atoms, such as the alkali, alkali earth, and group-III metals, mixed with carbon. Aluminum forms carbides, but other elements from group XIII do not.