U.S. Air Force Tech. Sgt. Juan Castaneda-Lopez, 571st Mobility Support Advisory Squadron security forces advisor, briefs exercise participants during Exercise Sourdough at the San Francisco Sheriff’s Office, Dec. 9, 2025. The exercise is the Department of War’s largest urban evasion exercise, spanning more than 49 square miles and incorporating realistic urban scenarios to train joint response forces. (U.S. Air Force photo by Airman 1st Class Ashley Rowell)
| Date Taken: | 12.09.2025 |
| Date Posted: | 01.07.2026 18:12 |
| Photo ID: | 9470792 |
| VIRIN: | 251209-F-PA306-1011 |
| Resolution: | 4525x3017 |
| Size: | 2.04 MB |
| Location: | TRAVIS AIR FORCE BASE, CALIFORNIA, US |
| Web Views: | 62 |
| Downloads: | 4 |
This work, Exercise Sourdough 2025 strengthens readiness through joint urban evasion training [Image 13 of 13], by A1C Ashley Rowell, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.