Space Force Ranks in Order: Enlisted and Officer Insignia Chart

Space Force enlisted ranks run from Specialist 1 at E-1 to Chief Master Sergeant at E-9. Guardians become noncommissioned officers on promotion to Sergeant at E-5, and senior NCOs from E-7 up lead Guardians across the service.

Space Force Enlisted Ranks in Order (E-1 to E-9)

Grade	Insignia	Rank	What This Rank Does	How to Address
Junior Enlisted Guardians (E-1 to E-4)
E-1		Specialist 1 Spc1	New Guardian in basic military training or initial technical training.	Address as: Specialist
E-2		Specialist 2 Spc2	Junior Guardian learning a career field and Space Force standards.	Address as: Specialist
E-3		Specialist 3 Spc3	Junior Guardian who performs tasks in a career field with growing skill.	Address as: Specialist
E-4		Specialist 4 Spc4	Experienced junior Guardian preparing to become a noncommissioned officer.	Address as: Specialist
Noncommissioned Officers (E-5 and E-6)
E-5		Sergeant Sgt	First NCO grade; supervises Guardians and serves as a skilled technician.	Address as: Sergeant
E-6		Technical Sergeant TSgt	Experienced NCO who supervises and trains Guardians.	Address as: Sergeant
Senior Noncommissioned Officers (E-7 to E-9)
E-7		Master Sergeant MSgt	First senior NCO grade; leads and manages people and resources.	Address as: Sergeant or Master Sergeant
E-8		Senior Master Sergeant SMSgt	Senior NCO who manages operations and leads larger teams.	Address as: Senior or Senior Master Sergeant
E-9		Chief Master Sergeant CMSgt	Highest enlisted grade; leads at the most senior enlisted levels.	Address as: Chief
E-9		Chief Master Sergeant of the Space Force CMSSF	The Space Force's most senior enlisted Guardian and advisor to the Chief of Space Operations.	Address as: Chief

Space Force officer ranks run from Second Lieutenant at O-1 to General at O-10 and use the same titles and abbreviations as the Air Force. The Chief of Space Operations, the service's senior officer, is a General.

Space Force Officer Ranks in Order (O-1 to O-10)

Grade	Insignia	Rank	What This Rank Does	How to Address
Company Grade Officers (O-1 to O-3)
O-1		Second Lieutenant 2d Lt	Entry-level officer learning to lead in a Space Force career field.	Address as: Lieutenant
O-2		First Lieutenant 1st Lt	Junior officer with growing leadership duties in a squadron.	Address as: Lieutenant
O-3		Captain Capt	Leads a flight or serves as an experienced operator or specialist.	Address as: Captain
Field Grade Officers (O-4 to O-6)
O-4		Major Maj	Field grade officer in key staff and operations leadership roles.	Address as: Major
O-5		Lieutenant Colonel Lt Col	Typically commands a squadron or leads a major staff function.	Address as: Colonel
O-6		Colonel Col	Typically commands a delta, such as a mission delta or a space base delta.	Address as: Colonel
General Officers (O-7 to O-10)
O-7		Brigadier General Brig Gen	General officer leading a major staff directorate or command element.	Address as: General
O-8		Major General Maj Gen	Leads a field command or a senior staff directorate.	Address as: General
O-9		Lieutenant General Lt Gen	Leads a major field command or serves in a top staff role.	Address as: General
O-10		General Gen	Leads the Space Force as Chief of Space Operations or a top joint command.	Address as: General

Use the full rank and last name in writing and formal settings. In conversation, several Space Force ranks are shortened as shown below, and officers can also be addressed as sir or ma'am.

See military ranks in order for every branch side by side, or open the full rank chart for another branch below. Space Force officer titles match the Air Force, but its E-1 to E-5 titles are different.