Lieutenant general
From Halopedia, the Halo wiki
Template:FactOrFiction Template:Rank Infobox
N.B.: This rank has not yet been mentioned in the Halo Universe.
Lieutenant General is a senior commissioned officer rank of the UNSC Marine Corps, equal in rank to Vice Admiral in the UNSC Navy.
A Lieutenant General may be also referred to as a "Three-star General" to distinguish it from the other ranks of General, so named for the three star rank insignia worn on the uniform.