Marine Corps · MOS history

2691 Signals Intelligence/Electronic Warfare Chief (PMOS)

MOS 2691 was renamed from Signals Intelligence/Electronic Warfare Chief to Signals Intelligence/Electronic Warfare/Cyberspace Operations Chief, retaining the same code and primary MOS status. Remarks 2 and 7 identify a revised MOS description and a requirement change, not a replacement specialty.

The directory also lists 2691 Signals Intelligence/Electromagnetic Warfare Chief. Current service use is not established for this directory entry.

Codes named in this history

Listed in today's directory

These codes have directory pages; their current use has not been reviewed, so no current claim is made here.

Documented history

Signals Intelligence/Electronic Warfare Chief (PMOS)

1 October 2018 was the scheduled active-duty-component batch date for the Marine Corps Total Force System (MCTFS), not a universal individual qualification or retraining date.

  • The specific requirement changes are not described in the available text.
  • Reserve implementation called for PSMRP, Active Reserve and SMCR retraining as required, subject to available funds, and appropriate service-record entries for Individual Mobilization Augmentees, Individual Ready Reservists and Standby Reservists using the headquarters conversion action as authority.
  • Formal schools were to continue awarding current MOSs until a MARADMIN directed implementation.
Source extraction notes

Source new title: Signals Intelligence/Electronic Warfare/Cyberspace Operations Chief (PMOS). Figure 4-1 remarks: 2, 7. Paragraph 4001.1b schedules the active duty component MCTFS batch for 1 October 2018. Paragraph 4001.6 separately covers Reserve retraining, subject to available funds for the specified retraining groups, and record updates for Individual Mobilization Augmentees, Individual Ready Reservists and Standby Reservists. Under paragraph 4002.3, formal schools keep awarding current MOSs until a MARADMIN directs implementation. The batch date is not a documented universal individual qualification or retraining date.

Source documents (1)

Reviewed September 24, 2026 against references 1, 2, 3 and 4.

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.