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Our Mission

S4S, with its Allies and partners, commands combat forces in space superiority operations to protect and defend USSPACECOM’s Area of Responsibility and to deliver global space-enabled effects to the Joint Force.

S4S mission - Protect, Defend, Deliver, Connect

S4S Featured Stories

Military leaders and partners post for a group photo.

CSpOC Hosts Electronic Warfare, On-Orbit Integration Working Group

U.S. and foreign military leaders speak at a conference.

S4S personnel participate in a panel at the 12th annual Joint Space Operations Summit

Bythewood: Integration, Predictive Space Domain Awareness Define S4S Mission in 2026

S4S members mentor students at local STEM event

This graphic shows a 2D rendering of the lifecycle of S4S support to human spaceflight, from launch to ISS docking to return

How S4S-CJFSC supports human spaceflight, NASA

S4S Current News

Space Delta 5 operators and partners pose for a photo after the second annual Electronic Warfare and On-Orbit Working Group here, at Vandenberg Space Force Base, Calif., Feb. 9-12, 2026.

CSpOC Hosts Electronic Warfare, On-Orbit Integration Working Group

By Stacie N. Shafran | March 5, 2026

Space Delta 5, the U.S. Space Force unit that serves as the Combined Space Operations Center (CSpOC), recently hosted the second annual Electronic Warfare and On-Orbit Working Group. The event was held to advance unity of...

U.S. Space Force Col. Nathaniel Peace, U.S. Space Forces-Space (S4S) director of intelligence, surveillance, and reconnaissance (second from left) participates in a panel at the 12th annual Joint Space Operations Summit alongside senior military space officers from the Republic of Korea, the United Kingdom and Japan in Oxon Hill, Md., Mar. 4, 2026. The JSOS summit is a high-level forum put on annually by the Defense Strategies Institute Group that brings together senior leaders from the U.S. military, Intelligence Community, international partners, and industry. The topic of the panel was “Forging Integrated Space Power Through Alliances and Partnerships,” mirroring a core tenant of S4S’s mission as a connector of partners and allies to build a stronger, combined space capability based on complimentary systems and interoperability. With S4S as the U.S. command and control nexus, examples of international fusion at the command include the seven-nation Multinational Force – Operation Olympic Defender (MNF-OOD) that conducts coalition space operations, operationally integrated exchange officers from three countries, co-located liaison officers from five countries, and space situational awareness sharing agreements with 30 countries. (Courtesy Photo)

U.S. Space Forces-Space (S4S) personnel participate in a panel at the 12th annual Joint Space Operations Summit

By S4S Public Affairs | March 5, 2026

U.S. Space Force Col. Nathaniel Peace, U.S. Space Forces-Space (S4S) director of intelligence, surveillance, and reconnaissance (second from left) participates in a panel at the 12th annual Joint Space Operations Summit...

Lt. Gen. Dennis O. Bythewood, USSF, is Commander, U.S. Space Forces - Space and Combined Joint Force Space Component Commander.

Bythewood: Integration, Predictive Space Domain Awareness Define S4S Mission in 2026

By Stacie N. Shafran | March 4, 2026

Lt. Gen. Dennis Bythewood, commander of U.S. Space Forces–Space and Combined Joint Force Space Component Commander for U.S. Space Command, and Chief Master Sgt. Tina Timmerman, command senior enlisted leader, emphasized how...

U.S. Space Force Master Sgt. Vincent K. Spahr, first sergeant for U.S. Space Forces – Space (S4S), assists students with an engineering activity during the Crestview STEM Olympics on Vandenberg SFB, Feb. 26, 2026. Through community outreach, S4S aims to connect with future innovators who will eventually help protect and defend the space domain.

S4S members mentor students at local STEM event

By Major Julian Labit | Feb. 26, 2026

Fostering the next generation of scientists, engineers, and space operators, enlisted leaders from U.S. Space Forces – Space (S4S) volunteered their time to lead interactive stations at the inaugural Crestview Elementary STEM...

U.S. Space Command News

From left, Col. Raymond Ruscoe, U.S. Space Command “South Detachment” deputy director; Maj. Gen. Terry Grisham, USSPACECOM transition team director; and Gen. Stephen Whiting, USSPACECOM commander, listen to a briefing during a tour of facilities at Redstone Arsenal, Alabama, Jan. 29, 2026. Following the President's announcement in September 2025, the command has been working diligently to lay the groundwork for a purpose-built headquarters on Redstone Arsenal while remaining committed to ensuring seamless space operations. The first members of USSPACECOM’s headquarters staff are already on the ground at Redstone Arsenal, forming a dedicated Project Management Office focused on military construction and infrastructure.

Alabama native Maj. Gen. Terry Grisham leads USSPACECOM’s transition to Redstone Arsenal

By | Feb. 4, 2026

Maj. Gen. Terry L. Grisham, a long-time Alabama native with nearly 40 years of military and civilian service, is spearheading U.S. Space command’s relocation to Redstone Arsenal as the director of the transition team. His...

Gen. Stephen Whiting, U.S. Space Command commander, welcomes Maj. Gen. Terry Grisham as the new USSPACECOM transition team director at Redstone Arsenal, Alabama, Jan. 29, 2026. Following the President's announcement in September 2025, the command has been working diligently to lay the groundwork for a purpose-built headquarters on Redstone Arsenal while remaining committed to ensuring seamless space operations. The first members of USSPACECOM’s headquarters staff are already on the ground at Redstone Arsenal, forming a dedicated Project Management Office focused on military construction and infrastructure.

Press Release: USSPACECOM announces General Officer, Alabama native to serve as headquarters transition team director

By | Jan. 29, 2026

Gen. Stephen Whiting, USSPACECOM commander, announced today that Maj. Gen. Terry L. Grisham, a long-time Alabama native with nearly 40 years of military and civilian service, will serve as the command’s transition team...

Lt. Gen. Zellmann, U.S. Space Command deputy commander, receives a demonstration of a small form factor kit during a visit to 1st Space Brigade, U.S. Army Space and Missile Defense Command, headquarters at Fort Carson, Colorado, Jan. 6, 2026.

USSPACECOM deputy commander visits SMDC

By Jacob Walogo, U.S. Army Space and Missile Defense Command | Jan. 14, 2026

Lt. Gen. Richard Zellmann, deputy commander for U.S. Space Command, visited U.S. Army Space and Missile Defense Command units in Colorado and Alabama to assess new capabilities from one of USSPACECOM’s component commands...