DLE Graphic

 

Department-Level Exercise (DLE) Series 

Through this series, the Department of the Air Force is preparing to be a stronger, more lethal deterrent force, to provide an advantage against competitors and adversaries across all domains, and to ensure regional stability in the Indo-Pacific and beyond. 

 

The DLE series will incorporate multiple command exercises into one overall threat deterrence scenario, including Resolute Force Pacific (REFORPAC), Resolute Space, Mobility Guardian, Emerald Warrior and Bamboo Eagle 25-3.  

It will also integrate multiple allies and partners in specific component exercises with shared interests. Partner integration is critical to U.S. efforts to ensure regional and global peace and stability and provides a decisive advantage against complex threats.  

 

 
U.S. Army soldiers with JTF-SB prepare for flight operations
Department of War Southern Border
Video by Sgt. Nathan Hislop
April 15, 2026 | 9:09
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U.S. Army Spc. Shawn Kramer, a UH-60 helicopter repairer and aircrew member, and Capt. Riley Botz, commander of Alpha Company, 1st Air Cavalry Brigade, 1st Cavalry Division, assigned to Joint Task Force-Southern Border (JTF-SB), discuss flight operations before preflight checks near El Cajon, Calif., April 15, 2026. JTF-SB provides a variety of support to U.S. Customs and Border Protection (CBP), including aviation. U.S. Northern Command is working side-by-side with the Department of Homeland Security and CBP within narrowly defined authorities to provide unique military capabilities to protect the territorial integrity of the U.S. southern border. (Dept. of War video by U.S. Marine Corps Sgt. Nathan Hislop) More

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UH-60 BlackhawkUSNORTHCOMU.S. Northern CommandCBPDowJoint Task Force - Southern Border (JTF-SB)DTH26 More
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