Captain (ground forces)
From Halopedia, the Halo wiki
Template:Rank Infobox This article refers to the UNSC Marine Corps rank of Captain. For the UNSC Navy rank, see Captain (Navy).
N.B.: This rank has not yet been mentioned in the Halo Universe.
Captain is a junior/company grade commissioned officer rank of the UNSC Marine Corps, equal in rank to Lieutenant in the UNSC Navy. They command company sized units.
The Marine Corps rank of Captain is ranked three pay grades lower than a Navy Captain, and has no special command authority with respect to a ship.