Petty Officer First Class

N.B.: This rank has not yet been mentioned in the Halo Universe.

Petty Officer First Class is the sixth enlisted rank of the UNSC Navy and is a non-commissioned officer. It is equal in rank to Staff Sergeant in the UNSC Marine Corps.

In informal settings, Petty Officers First Class are typically called "Petty Officer".

In the UNSC Navy, enlisted personnel are referred to by their rating and rate (rank). Mentioned ratings at the same pay grade of Petty Officer First Class are listed below:


 * Tech Officer First Class