Chief Master Sgt. of the Space Force visits National Space Defense Center

Chief Master Sgt. of the Space Force John Bentivegna, left, poses for a photo with U.S. Space Force Spc. 4 Ashlynn Agaciewski, Space Delta 15 target analyst, right, during a visit to Schriever Space Force Base, Colorado, Sept. 1, 2026. Bentivegna recognized Agaciewski with a challenge coin for her contributions to the National Space Defense Center and its mission of supporting space defense operations. (U.S. Space Force photo by Dalton Prejeant)

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Chief Master Sgt. of the Space Force visits National Space Defense Center

Chief Master Sgt. of the Space Force John Bentivegna speaks to Guardians and Airmen during an all-call at Schriever Space Force Base, Colorado, Sept. 1, 2026. The all-call provided an opportunity for members of Space Base Delta 41, the National Space Defense Center and other mission partners to hear directly from the Space Force's senior enlisted leader and engage in an open discussion. (U.S. Space Force photo by Dalton Prejeant)

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Chief Master Sgt. of the Space Force visits National Space Defense Center

A U.S. Space Forces-Space Guardian asks Chief Master Sgt. of the Space Force John Bentivegna a question during an all-call at Schriever Space Force Base, Colorado, Sept. 1, 2026. Guardians, Airmen and civilians participated in the discussion, providing an opportunity for direct engagement with the Space Force's senior enlisted leader. (U.S. Space Force photo by Dalton Prejeant)

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Chief Master Sgt. of the Space Force visits National Space Defense Center

Chief Master Sgt. of the Space Force John Bentivegna, left, presents a challenge coin to U.S. Space Force Spc. 4 Ashlynn Agaciewski, Space Delta 15 target analyst, right, during a visit to Schriever Space Force Base, Colorado, Sept. 1, 2026. Bentivegna engaged with Guardians during his visit to the National Space Defense Center to hear firsthand about their experiences and the missions they support. (U.S. Space Force photo by Dalton Prejeant)

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Chief Master Sgt. of the Space Force visits National Space Defense Center

Chief Master Sgt. of the Space Force John Bentivegna, right, speaks with Chief Master Sgt. Matthew Imschweiler, Space Delta 15 senior enlisted leader and National Space Defense Center senior enlisted advisor, left, during a visit to Schriever Space Force Base, Colorado, Sept. 1, 2026. Bentivegna visited the NSDC to engage with senior enlisted leaders and Guardians to gain insight into the center’s mission and operations. (U.S. Space Force photo by Dalton Prejeant)

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Chief Master Sgt. of the Space Force visits National Space Defense Center

Chief Master Sgt. of the Space Force John Bentivegna signs the National Space Defense Center heritage board during a visit to Schriever Space Force Base, Colorado, Sept. 1, 2026. The heritage board serves as a collection of signatures and messages from leaders and distinguished visitors who have visited the NSDC over the years. (U.S. Space Force photo by Dalton Prejeant)

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Chief Master Sgt. of the Space Force visits National Space Defense Center

Chief Master Sgt. of the Space Force John Bentivegna, center, poses for a photo with Chief Master Sgt. Matthew Imschweiler, Space Delta 15 senior enlisted leader and National Space Defense Center senior enlisted advisor, left, and U.S. Space Force Col. Michael Schriever, NSDC deputy director, right, during a visit to Schriever Space Force Base, Colorado, Sept. 1, 2026. Bentivegna visited the NSDC to engage with Guardians and gain a firsthand perspective of the center’s mission and the personnel who execute it. (U.S. Space Force photo by Dalton Prejeant)

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Chief Master Sgt. of the Space Force visits National Space Defense Center

Published Sept. 4, 2026
By Keefer Patterson
U.S. Space Forces-Space

SCHRIEVER SPACE FORCE BASE, Colo. --

Chief Master Sgt. of the Space Force John Bentivegna held an all-call at Schriever Space Force Base, Colorado, Sept. 1, 2026, speaking directly with Guardians, Airmen, civilians and mission partners from across Team Schriever.

Following the all-call, Bentivegna visited multiple Team Schriever mission partners, including the National Space Defense Center. There, he met with Space Delta 15 and NSDC personnel to synchronize with the team and discuss ongoing efforts supporting the space defense mission.

Bentivegna also recognized Space Force Spc. 4 Ashlynn Agaciewski, Space Delta 15 target analyst, with a challenge coin for her contributions to the mission.

The visit reinforced the importance of leader engagement, ready personnel and strong partnerships in protecting, defending, delivering and connecting space capabilities for the Joint Force.

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