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Eighteenth Air Force

Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Fire Department extinguish a fire during a live-fire training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 14, 2025. The Airmen demonstrated coordinated teamwork to maintain effective fire suppression and enhance overall mission performance. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Security Forces Squadron conduct room sweeps during an active-shooter training exercise held as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. The wing-wide exercise evaluated rapid-response capabilities to various high-intensity scenarios. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Fire Department work together to extinguish a fire during a live-fire training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 14, 2025. The exercise exposed Airmen to realistic, mission-focused scenarios that strengthened their readiness and response proficiency. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Air Force Airman from the 355th Civil Engineer Squadron Fire Department speaks with a simulated casualty during an active-shooter training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. The exercise enabled Airmen to apply rapid-response skills and demonstrate their squadron’s operational capabilities. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Air Force Airman from the 355th Civil Engineer Squadron Fire Department extinguishes a fire during a live-fire training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 14, 2025. The scenario required Airmen to fully suppress the live fire using controlled water application techniques to restore to safe conditions. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

355th Civil Engineer Squadron firefighters participate as Wing Inspection Team members during an active-shooter training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. WIT members evaluated Airmen on their response to various scenarios throughout the exercise. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Air Force Airman from the 355th Civil Engineer Squadron Fire Department participates in a live-fire training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 14, 2025. The Airman increased water pressure in the hose to ensure his team had the proper capability to suppress the fire and maintain effective control of the incident. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force 355th Civil Engineer Squadron firefighters participate as Wing Inspection Team members during a live-fire training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 14, 2025. WIT evaluators assessed the unit’s ability to execute emergency response procedures under realistic, scenario-driven conditions. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force 355th Civil Engineer Squadron firefighters discuss their course of action during a live-fire training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 14, 2025. ML 26-1 encompassed additional wing-wide scenarios, including an active-shooter response, rapid runway repair, a simulated deployment and protest operations. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Air Force Airman from the 355th Civil Engineer Squadron Fire Department performs a health check on a simulated casualty during an active-shooter training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. The exercise demonstrated the squadron’s ability to respond effectively to high-intensity scenarios. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Fire Department operate a water hose during a live-fire training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 14, 2025. The exercise demonstrated the fire department’s ability to execute precise and efficient firefighting procedures under time-sensitive conditions. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Fire Department operate a water hose during a live-fire training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 14, 2025. The exercise not only required the extinguishing of a live fire but also tested the team’s ability to coordinate effectively under high-intensity, real-world conditions. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Air Force Airman from the 355th Civil Engineer Squadron Fire Department pulls out a hose during a structural fire training exercise during Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. The fire department conducted the exercise to validate the unit’s rapid response capabilities and readiness to support emergency operations. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Air Force Airman from the 355th Civil Engineer Squadron Water and Fuels System Maintenance section sets up equipment during a water purification training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. The training enhanced the squadron’s ability to rapidly generate potable water in emergency or contingency environments. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Fire Department pull out a ladder during a structural fire training exercise during Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. The training enhanced the unit’s ability to rapidly deploy equipment and execute coordinated response actions during emergency operations. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Air Force Airman from the 355th Civil Engineer Squadron Fire Department puts on personal protective equipment during a structural fire training exercise during Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. The exercise strengthened the unit’s ability to respond to emergency incidents and maintain readiness. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Water and Fuels System Maintenance section participate in a water purification training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. The exercise evaluated the squadron’s ability to generate potable water when standard water sources are compromised. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Air Force Airman from the 355th Civil Engineer Squadron Water and Fuels System Maintenance section sets up equipment during a water purification training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. The system processed unaffected water through advanced filtration to produce potable water for contingency operations. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Fire Department climb a ladder during a structural fire training exercise during Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. The exercise enhanced the unit’s ability to execute coordinated entry operations and respond effectively to real-world emergencies. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

355th Civil Engineer Squadron firefighters participate as Wing Inspection Team members during a structural fire training exercise during Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. ML 26-1 was a base-wide exercise that integrated participation from every squadron and enabled WIT members to evaluate readiness and mission effectiveness. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Airmen from various squadrons at Davis-Monthan Air Force Base participate in an emergency operations center recall response training exercise during Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. ML 26-1 tested the 355th Wing’s ability to rapidly respond and sustain operations in austere environments. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Airman from the 355th Logistics Readiness Squadron participate in an Emergency Operations Center recall response training exercise during Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. During the recall response, Airmen coordinated and relayed critical information to their respective units. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Airman from the 355th Contracting Squadron answers a phone call during an Emergency Operations Center recall response training exercise during Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. Airmen relayed and coordinated information with their respective units to ensure accurate and timely distribution. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

A U.S. Air Force Airman from the 355th Civil Engineer Squadron Fire Department pulls out a hose during a structural fire training exercise during Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. The fire department conducted the exercise to validate the unit’s rapid response capabilities and readiness to support emergency operations. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Fire Department check for simulated casualties during an active-shooter training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. Wing Inspection Team members evaluated the Airmen’s performance as part of the larger installation-wide exercise. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Fire Department check for simulated casualties during an active-shooter training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. Wing Inspection Team members evaluated the Airmen’s performance as part of the larger installation-wide exercise. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

U.S. Air Force Airmen from the 355th Civil Engineer Squadron Fire Department check a simulated casualty during an active-shooter training event conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 13, 2025. The exercise tested the wing’s ability to rapidly respond and coordinate during high-stress, multi-agency scenarios. (U.S. Air Force Photo by Senior Airman Jhade Herrera)

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Mosaic Lightning 26-1

Published Dec. 5, 2025
By Senior Airman Jhade Herrera
355th Wing

DAVIS-MONTHAN AIR FORCE BASE, Ariz. --

U.S. Airmen from various squadrons at Davis-Monthan Air Force Base participate in Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 12, 2025. ML 26-1 tested the 355th Wing’s ability to rapidly respond and sustain operations in austere environments.