1721 defense operators

The Marine Corps 1721 MOS is for Cyber Defense Operators. These operators are familiar with maneuver operations, digital network concepts, and analytical techniques. They use offensive and defensive cyber tools, tactics, techniques, and procedures.

The 1721 MOS is a primary military occupational specialty (PMOS). Marines must complete the Cyber Common Technical Core (CCTC) Course at Fort Gordon, GA to qualify for the 1721 PMOS.

The 1721 MOS is for ranks Private through Gunnery Sergeant. At the rank of Master Sergeant (E-8), the 1721 MOS merges with the 1711 MOS to create the Cyberspace Operations Chief. The Cyberspace Operations Chief is a rank up to Master Gunnery Sergeant (E-9).