Home > Industries > US Military > Space Force > About the U.S. Space Force

About the U.S. Space Force

The United States Space Force is the newest branch of the U.S. Armed Forces, organized to secure the nation's interests in, from, and to space.
FY2026 at a glance

U.S. Space Force by the Numbers

2019
Founded
December 20 — first new service since 1947
15,400
Total Guardians
Military and civilian combined
18
Installations
Including Greenland and the UK
$31.9B
FY2026 budget
FY2027 request more than doubles it
Force composition15,807 total
Military Guardians10,400
Civilian Guardians5,407

Military end strength is FY2026 authorized (Public Law 119-60); civilian figure is FY2025. Budget is FY2026 enacted.

Overview

What Is the U.S. Space Force?

The United States Space Force is the space service branch of the U.S. Armed Forces, established on December 20, 2019 by the fiscal year 2020 National Defense Authorization Act. It was the first new armed service created since the Air Force in 1947, and it was not built from scratch — Air Force Space Command, which had existed since 1982, was redesignated as the Space Force and its people, missions and installations transferred with it.

Its statutory mission, set out in Title 10, Section 9081, is to provide freedom of operation for the United States in, from and to space; to conduct space operations; and to protect American interests in space. Those three prepositions do real work. Operating in space means space control and space superiority. Operating from space means satellite communications, missile warning, and the positioning, navigation and timing that GPS provides to the world. Operating to space means assured access — launch.

The Space Force is by far the smallest service, with roughly 10,400 military and 5,400 civilian Guardians. Both are called Guardians; the term applies to uniformed and civilian members alike. It is also the only service with no separate reserve component. The Space Force Personnel Management Act of 2023 created a single component holding both full-time and part-time Guardians under one chain of command, and the first part-time Guardians entered service in July 2026.

The reason the service exists is that space stopped being a benign environment. GPS timing underpins the financial system, the power grid and precision weapons; missile warning satellites provide the first indication of a launch anywhere on earth. Those systems were designed when nobody could threaten them. They now can be, which turned a support function into a warfighting domain and required a service organized to defend it.

Core missions

What the U.S. Space Force Does

The Space Force organizes its work along three axes — operating in space, from space, and to space — that map directly onto its statutory mission.

Space superiority

Protecting American and allied satellites from interference, and denying an adversary the use of space in a conflict. The largest and fastest-growing portfolio in the service.

Missile warning and tracking

Detecting a ballistic or hypersonic launch anywhere on earth within seconds and cueing defenses — the mission that most directly protects the homeland.

Positioning, navigation and timing

Operating GPS, which delivers not just navigation but the precise timing signal that global banking, telecommunications and power distribution depend on.

Satellite communications

Protected and proliferated communications that keep command and control intact when terrestrial networks are contested or destroyed.

Space domain awareness

Tracking every object in orbit, distinguishing debris from deliberate maneuver, and understanding what an adversary’s satellites are doing.

Assured access to space

National Security Space Launch — buying and certifying the rockets that put military payloads in orbit on schedule.

Organization

How the U.S. Space Force Is Organized

The Space Force deliberately built a flatter structure than the Air Force it came from. Deltas replaced both wings and groups, collapsing two echelons into one, and headquarters staffs were kept small on purpose.

Space Force Combat Forces Command

Peterson Space Force Base, Colorado — the primary force provider, renamed from Space Operations Command in November 2025.

Space Systems Command

Los Angeles — develops, acquires and fields space capabilities, and runs launch and on-orbit checkout.

Space Training and Readiness Command

Patrick Space Force Base, Florida — training, doctrine, tactics, test and evaluation.

Component field commands

Six commands aligned to combatant commands, including Space Forces Indo-Pacific, Central, and Europe and Africa.

Space Development Agency

A direct reporting unit building the proliferated warfighter space architecture on fixed two-year cycles.

National Space Intelligence Center

Designated in 2024 to provide intelligence on foreign space and counterspace capabilities.

Unit hierarchy

Where the Air Force has wings, groups and squadrons, the Space Force has deltas and squadrons — one fewer layer between the operator and the commander.

Field commandThe service’s top operational tierLieutenant general
Mission deltaOrganized by function, not geographyColonel
Space base deltaInstallation supportColonel
Space launch deltaVandenberg and Patrick launch rangesColonel
System deltaAcquisition programsColonel
SquadronThe operating unitLieutenant colonel or major
History

History of the U.S. Space Force

The Space Force is new as an institution and old as a mission. Almost everything it does, the Air Force was already doing — the question that produced a separate service was whether space deserved its own advocate.

Military space operations were consolidated under Air Force Space Command on September 1, 1982, and for the next thirty-seven years that command ran American military satellite operations, missile warning and launch. The argument for a separate service, made repeatedly from the 1990s onward, was that space competed poorly for attention and money inside an organization whose identity was built around aircraft.

The fiscal year 2020 National Defense Authorization Act settled it. Signed December 20, 2019, it established the United States Space Force as the sixth armed service and simultaneously redesignated Air Force Space Command as the new branch. General John Raymond became the first Chief of Space Operations. The service’s early years were spent building an identity: the seal in January 2020, the flag in May, the delta emblem and the motto Semper Supra in July, and on December 18, 2020, the announcement that its members would be called Guardians.

Transfers followed. Thousands of Air Force space professionals moved across in 2020 and 2021, the three field commands stood up between October 2020 and August 2021, and the Navy’s satellite operations center and the Army’s satellite brigade and missile-warning mission transferred in 2022 and 2023 — making the Space Force genuinely joint in origin rather than simply an Air Force offshoot.

The service is now growing quickly. Space Operations Command was renamed Combat Forces Command in November 2025 to reflect a warfighting rather than a service-provider identity, the GPS III constellation was completed in April 2026, the first part-time Guardians entered service that July, and an executive order in August 2026 directed the creation of a U.S. Space Academy.

Timeline of key milestones

  1. September 1, 1982

    Air Force Space Command

    Military space operations are consolidated under a single command — the direct organizational ancestor of the Space Force.

  2. December 20, 2019

    The sixth armed service

    The FY2020 National Defense Authorization Act establishes the U.S. Space Force, the first new branch since 1947, and redesignates Air Force Space Command as the new service.

  3. January 24, 2020

    The seal

    The official Space Force seal is unveiled, carrying the delta device forward from earlier military space heraldry.

  4. May 15, 2020

    The flag

    The Space Force flag is formally presented at the White House.

  5. July 22, 2020

    Delta and motto

    The delta emblem and the motto Semper Supra — Always Above — are unveiled together.

  6. October 20, 2020

    First recruits

    The first four enlisted recruits are sworn directly into the Space Force; seven graduate basic training that December.

  7. December 18, 2020

    Guardians

    On its first anniversary the service announces that its members, military and civilian alike, will be called Guardians.

  8. August 2021

    Field commands complete

    Space Systems Command and Space Training and Readiness Command stand up, completing the three-command structure.

  9. 2022–2023

    Joint transfers

    The Navy’s satellite operations center and the Army’s satellite brigade and missile-warning mission transfer to the Space Force.

  10. 2023

    A single component

    The Space Force Personnel Management Act creates one component holding both full-time and part-time Guardians — no separate reserve.

  11. November 3, 2025

    Combat Forces Command

    Space Operations Command is renamed to reflect a warfighting rather than a service-provider identity.

  12. 2026

    GPS III and part-time Guardians

    The GPS III constellation is completed in April, the first part-time Guardians enter service in July, and an executive order directs the creation of a U.S. Space Academy.

Today and tomorrow

The Modern U.S. Space Force

The Space Force is shifting from a small number of large, exquisite satellites toward proliferated constellations that are harder to attack and cheaper to replace. Its fiscal year 2027 request more than doubled its budget, with roughly two-thirds going to research and development — an unusually forward-leaning profile for a military service.

Resilient missile warning and tracking

New constellations in medium and low earth orbit replacing a handful of large satellites with dozens of smaller ones, with first launches from 2027.

GPS III and GPS IIIF

The GPS III constellation was completed in April 2026; the follow-on IIIF satellites add regional anti-jam protection from 2028.

Proliferated satellite communications

A shift to large low-earth-orbit communications constellations alongside protected strategic satcom.

Space control systems

The service’s single largest portfolio, covering the systems that defend friendly satellites and contest an adversary’s.

Homeland missile defense support

Space-based sensing and tracking for the Golden Dome architecture, the largest new homeland defense effort in decades.

National Security Space Launch

Twenty-two funded launches in the FY2027 request, with a growing pool of certified providers.

Rank structure

U.S. Space Force Ranks and Insignia

The Space Force announced its enlisted rank structure in January 2021 and is the only service to use Specialist for its four junior grades. Officer ranks are identical in name and insignia to the Air Force. There are no warrant officers.

Enlisted

  • E-1Specialist 1Spc1
  • E-2Specialist 2Spc2
  • E-3Specialist 3Spc3
  • E-4Specialist 4Spc4
  • E-5SergeantSgt
  • E-6Technical SergeantTSgt
  • E-7Master SergeantMSgt
  • E-8Senior Master SergeantSMSgt
  • E-9Chief Master SergeantCMSgt
  • E-9Chief Master Sergeant of the Space ForceCMSSF

Commissioned officer

  • O-1Second Lieutenant2d Lt
  • O-2First Lieutenant1st Lt
  • O-3CaptainCapt
  • O-4MajorMaj
  • O-5Lieutenant ColonelLt Col
  • O-6ColonelCol
  • O-7Brigadier GeneralBrig Gen
  • O-8Major GeneralMaj Gen
  • O-9Lieutenant GeneralLt Gen
  • O-10GeneralGen

The Space Force has no warrant officer program — the only service besides the Air Force to have gone without one, and the Air Force reinstated warrants in 2024. Devices shown are schematic diagrams of each pay-grade tier, not reproductions of official insignia artwork.

Identity

U.S. Space Force Colors, Emblems and Traditions

The Space Force built an identity from nothing in eighteen months, which is why so much of it is precisely dated — and why almost all of it deliberately reaches back to earlier military space heraldry for legitimacy.

Colors Black, Platinum & White
MottoSemper Supra
BirthdayDecember 20, 2019
SongSemper Supra

Official colors

Black, platinum and white, with blue in supporting use. The palette is intentionally cold and metallic, distinguishing the service from Air Force blue.

The delta

The delta traces to 1942 in Army Air Forces heraldry and was adopted by the Air Force’s early space program in 1961, appearing on Air Force Space Command insignia long before 2020. Its silver border signifies defense and protection, two spires a rocket ascending, four beveled elements the joint services supporting the space mission, and the central star Polaris — the fixed point by which navigation is possible.

Semper Supra

Always Above. Unveiled July 22, 2020 alongside the delta logo, it is the shortest and newest service motto in the U.S. armed forces.

Guardians

Announced December 18, 2020, on the service’s first anniversary. The name draws on the Air Force Space Command motto “Guardians of the High Frontier” and applies to civilian members as well as uniformed ones.

Core values

Character, Connection, Commitment and Courage. Connection is unusual among service value sets — it reflects a small, highly technical force that depends on collaboration rather than mass.

The song

Semper Supra, revealed September 20, 2022 — the first new U.S. service song in decades. The service dress uniform, with its distinctive six-button diagonal closure, completed fielding in 2026.

Common questions

Frequently Asked Questions About the U.S. Space Force

When was the U.S. Space Force created?

December 20, 2019, when the fiscal year 2020 National Defense Authorization Act established it as the sixth armed service — the first new branch since the Air Force in 1947. Air Force Space Command, which had existed since 1982, was redesignated as the Space Force on the same day.

How many people are in the Space Force?

Roughly 15,400 Guardians — about 10,400 military and 5,400 civilian. It is by far the smallest U.S. armed service, smaller than a single Army division plus its support. The fiscal year 2027 request would grow the military side to 13,200.

What does the Space Force actually do?

It operates the satellites and ground systems that provide missile warning, GPS positioning and timing, and military satellite communications; it tracks everything in orbit; it defends American and allied satellites from interference; and it buys and certifies the launches that put military payloads in space.

What are Space Force members called?

Guardians. The name was announced on December 18, 2020, the service’s first anniversary, and draws on the old Air Force Space Command motto “Guardians of the High Frontier.” It applies to civilian members as well as uniformed ones.

What is the Space Force motto?

Semper Supra — Latin for Always Above. It was unveiled on July 22, 2020 alongside the delta emblem, and is also the title of the service song.

What are the Space Force ranks?

Enlisted ranks are Specialist 1 through Specialist 4, then Sergeant, Technical Sergeant, Master Sergeant, Senior Master Sergeant and Chief Master Sergeant. Officer ranks are identical to the Air Force, from Second Lieutenant to General. The Space Force has no warrant officers.

Does the Space Force have a reserve?

No — it is the only U.S. armed service without a separate reserve component. The Space Force Personnel Management Act of 2023 created a single component holding both full-time and part-time Guardians under one chain of command. The first part-time Guardians entered service in July 2026.

What is a delta in the Space Force?

A delta is the Space Force’s equivalent of an Air Force wing and group combined into one echelon, commanded by a colonel. Mission deltas are organized by function rather than location — orbital warfare, missile warning, satellite communications — with squadrons beneath them.

What does the Space Force delta symbol mean?

The silver border signifies defense and protection from threats in space; two spires represent a rocket ascending; four beveled elements represent the joint services supporting the space mission; and the central star is Polaris, standing for the core values that guide the service. The delta shape itself dates to 1942 and entered military space use in 1961.

Is the Space Force part of the Air Force?

No, but they share a department. The Space Force is a separate armed service within the Department of the Air Force, in the same way the Marine Corps is a separate service within the Department of the Navy. The Chief of Space Operations sits on the Joint Chiefs of Staff.

Custom pewter and awards

Recognize the U.S. Space Force with something worth keeping

Sparta Pewter USA builds custom coins, awards, gifts and unit recognition pieces for the U.S. Space Force.