Artist’s rendering of WGS-11+



Buckley SFB's host unit, Space Base Delta 2, falls under the direction of the United States Space Force.

It is responsible for day-to-day support to the operational mission of the Space Delta 4 (DEL 4) Missile Warning Delta. Space Base Delta 2 and DEL 4 directly support Combatant Commands across the globe.

Besides being the home of Space Base Delta 2, the base also hosts Space DEL 4 Missile Warning Delta, the 140th Wing, Colorado Air National Guard (COANG), the Navy Operational Support Center, the Aerospace Data Facility-Colorado, the Army Aviation Support Facility and the Air Reserve Personnel Center. These are also known as the "Big Six" mission partners at Buckley.

Buckley SFB truly represents a joint, Total Force and coalition base. This includes 3,100 active duty members from every service, 4,000 National Guard personnel and Reservists, four commonwealth international partners, 2,400 civilians, 2,500 contractors, 36,000 retirees and approximately 40,000 veterans and dependents. The base contributes an estimated $1 billion annually to the local economy.


Space Delta 4 graphic image

Space Base Delta 2 located at Buckley SFB, Colorado, is a Space Force unit that serves Active Duty, National Guard, Reserve and retired personnel throughout the Front Range community. SBD2 falls under the direction of the Department of the Air Force and U.S. Space Force for its day-to-day operational mission supporting the National Defense Strategy.

The Delta provides installation support functions for the resident air operations, space-based missile warning capabilities, space surveillance operations, and space communications missions. It also provides Airmen and Space Professionals that deploy and are deployed in-place, to support Combatant Commanders in order to accomplish warfighting missions globally. 


Space Delta 4 graphic imageSpace Delta 4 (DEL 4) provides strategic and theater missile warning to the United States and our International Partners.  It operates and supports three constellations of Overhead Persistent Infrared (OPIR) satellites and two types of Ground-Based Radars (GBRs) for the purpose of conducting strategic and theater missile warning.

Additionally, DEL 4 provides tipping and cueing to missile defense forces, battlespace awareness to Combatant Commanders and technical intelligence for further analysis. DEL 4 manages weapon system architectures and ensures operations are intelligence-led, cyber-resilient, and driven by innovation, while postured to operate in a contested, degraded, and operationally-limited environment. DEL 4 is one of eight mission-oriented Deltas within the United States Space Force.

140th Wing

140th WingThe 140th Wing, Colorado Air National Guard is unique in that it is comprised of four groups, 11 squadrons, and three geographically separated units. The 140th Wing operates three missions that fall under three different commands. More info.

Navy Information Operations Command Colorado

Navy NOIC image The NIOC provides ready, trained and motivated Information Warfare Officers, Cryptologic Enlisted Personnel, and expertise to support Signals Intelligence, Electronic Warfare, Space, Information, and Cyber Operations for Aerospace Data Facility Colorado (ADF-C), National Security Agency Colorado (NSAC), and Commander Task Group 101 in support of Fleet, combat forces, and national intelligence operations and requirements worldwide. More info

Air Force Reserve Command

Air Force Reserve Command In fulfilling its mission, ARPC is in constant contact with the Air Staff, the director of the Air National Guard, the chief of Air Force Reserve, major commands, field operating agencies and individual reservists. During contingency operations or war, the Center receives direction and guidance through the Air Force Crisis Action Team. The Center orders individual Air Force Reserve personnel and members of the Retired Reserve and Retired Regular Air Force to extended active duty, as required during national emergencies and as provided by law.  More info.


  • Commanders Support Staff
  • Public Affairs
  • Comptroller
  • Command Post
  • Legal
  • Safety
  • SARC
  • Inspector General
  • Chapel
  • Historian
  • Protocol
  • Equal Opportunity
  • Environmental


Buckley Tenant Units

  • Aerospace Data Facility-Colorado
  • 566th Intelligence Squadron
  • Joint Force Headquarters - Colorado
  • 743rd Military Intelligence Battalion
  • Army Aviation Support Facility (AASF)
  • Combat Logistics Battalion 453, Combat Logistics Regiment 4, 4th Marine Logistics Group
  • Quebec Battery, 5th Battalion, 14th Marines, 4th Marine Division
  • Company A, Marine Cryptologic Support Battalion
  • Bravo Company, Intelligence Support Battalion, Marine Forces Reserve
  • Headquarters, 169th Field Artillery Brigade
  • United States Coast Guard Cryptologic Unit - Colorado

Click here for small descriptions of the units

Colorado Army National Guard

Colorado Army National Guard The Colorado Army National Guard trains and readies forces and develops leaders; on order, mobilizes to support the National Military Strategy and, at the call of the Governor, protects and supports Colorado citizens and property. More info

743rd Military Intelligence

743rd Military Intelligence Battalion743d Military Intelligence Battalion conducts worldwide SIGINT operations to enhance battle command and provide information advantage to Army, Joint, and Combined Forces, as well as National Consumers. More info