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U.S. Space Force Col. Shawn Lee, 821st Space Base Group outgoing commander, gives closing remarks at the Pituffik Space Base 75th anniversary at Pituffik SB, Greenland, Aug. 12, 2026

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Gen. Michael Hyldgaard, chief of defense, Kingdom of Denmark, delivers opening remarks at the 75th anniversary of Pituffik Space Base at Pituffik SB, Greenland, Aug. 12, 2026.

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Dignitaries from the United States, Canada, the Kingdom of Denmark and Greenland pose for a photo outside the 821st Space Base Group headquarters building during the 75 Anniversary of Pituffik Space Base at Pituffik SB, Greenland, Aug. 12, 2026.

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Space Base Delta 1 and 821st Space Base Group leadership prepare to sing the U.S. Air Force song at the 75th Anniversary of Pituffik Space Base at Pituffik SB, Greenland, Aug. 12, 2026.

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U.S. Space Force Col. Keith Morris, 821st Space Base Group incoming commander, addresses the audience at the 75th Anniversary of Pituffik Space Base at Pituffik SB, Greenland, Aug. 12, 2026.

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U.S. Air Force Gen. Gregory Guillot, U.S. Northern Command and North American Aerospace Defense Command commander, speaks with Senior Airman Nicolas Calero, 821st Support Squadron member at Pituffik SB Aug. 12, 2026.

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U.S. Coast Guard Cutter Stratton (WMSL 752) and Royal Canadian Navy HMCS Max Bernays (AOPV 432) conduct a combined sail in the Bering Strait, Aug. 11, as part of Operation TUNDRA MERLIN. The combined sail demonstrated the ability of U.S. and Canadian forces to integrate maritime capabilities across the Arctic and reinforced the two nations' longstanding defense partnership. (U.S. Coast Guard Courtesy photo)

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A U.S. Army M142 High Mobility Artillery Rocket System, assigned to 17th Long Range Fires and Effects Brigade, gets loaded into a Royal Canadian Air Force C-17 Globemaster III aircraft in Nome, Alaska, Aug. 11, 2026. The HIMARS was deployed to the Arctic from Joint Base Lewis-McChord in support of Operation TUNDRA MERLIN, showcasing U.S. and Canadian forces' ability to rapidly move combat equipment and personnel across the Arctic. (U.S. Air Force photo by Senior Airman Gabriel Held)

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A U.S. Army M142 High Mobility Artillery Rocket System, assigned to 17th Long Range Fires and Effects Brigade, waits on the flightline before being loaded into a Royal Canadian Air Force C-17 Globemaster III aircraft in Nome, Alaska, Aug. 11, 2026. The HIMARS was deployed to the Arctic from Joint Base Lewis-McChord in support of Operation TUNDRA MERLIN, showcasing U.S. and Canadian forces' ability to rapidly move combat equipment and personnel across the Arctic. (U.S. Air Force photo by Senior Airman Gabriel Held)

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U.S. Soldiers and Royal Canadian Air Force Airman load a U.S. Army AN/TP Q-53 Radar System into a Royal Canadian Air Force C-17 Globemaster III aircraft in Nome, Alaska, Aug. 10, 2026. The AN/TP Q-53 was deployed to the Arctic from Fort Wainwright in support of Operation TUNDRA MERLIN, showcasing U.S. and Canadian forcesʻ ability to rapidly move combat equipment and personnel throughout the Arctic. (U.S. Air Force photo by Senior Airman Gabriel Held)

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U.S. Soldiers load a U.S. Army AN/TP Q-53 Radar System into a Royal Canadian Air Force C-17 Globemaster III aircraft in Nome, Alaska, Aug. 10, 2026. The AN/TP Q-53 was deployed to the Arctic from Fort Wainwright in support of Operation TUNDRA MERLIN, showcasing U.S. and Canadian forcesʻ ability to rapidly move combat equipment and personnel throughout the Arctic. (U.S. Air Force photo by Senior Airman Gabriel Held)

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A CH-47 Chinook performs a pinnacle landing in Alaska.

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U.S Army Sgt. Blake Miller, 1st Squad leader assigned to 1st Battalion, 5th Infantry Regiment, 1st Mobile Brigade Combat Team (Air Assault), 11th Airborne Division pulls security in front of a AN/TP Q-53 Radar System and a High Mobility Artillery Rocket System assigned to the 17th Long Range Fires and Effects Brigade during Operation TUNDRA MERLIN near Nome, Alaska, Aug. 4, 2026. These Soldiers were deployed alongside the AN/TP Q-53 and HIMARS during TUNDRA MERLIN to demonstrate the joint forces' ability to rapidly deploy and seamlessly integrate combat equipment and personnel across the Arctic in defense of the Homeland and its approaches. (U.S. Air Force photo by Staff Sgt. Christopher Chen)

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Two U.S. Air Force F-16 Fighting Falcons and F-35A Lightning II’s fly in formation in the North American Aerospace Defense Command Area of Responsibility, Aug 4, 2026. (U.S. Air Force photo by Senior Airman Spencer Hanson)

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Man demonstrating Augmented Reality Tele-mentoring (ARTM) system

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Man demonstrating Augmented Reality Tele-mentoring (ARTM) system

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Man demonstrating Augmented Reality Tele-mentoring (ARTM) system

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Man demonstrating Augmented Reality Tele-mentoring (ARTM) system

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Man demonstrating Augmented Reality Tele-mentoring (ARTM) system

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HIMARS onload.

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