Preflight Inspections Army Chief Warrant Officer 2 Viadoy Nicolas conducts preflight inspections on a CH-47F Chinook helicopter at Libby Army Airfield, Fort Huachuca, Ariz., April 16, 2026. Nicolas is assigned to Joint Task Force-Southern Border, which provides unique military capabilities to protect the territorial integrity of the U.S. southern border. SHARE: Download: Full Size (3.77 MB) Tags: army, border support Credit: Army Spc. Adrianna Douglas VIRIN: 260416-A-LR100-9064.JPG Photo Gallery