(Left to right) Sgt. Brett Pierce, an avionic mechanic with 1st Brigade Special Troops Battalion, 3rd Infantry Division, and native of Longview, Texas, Staff Sgt. Andrew Carrier, a standardization instructor operator and native of Missoula, Mont., and Sgt. David Gomez, the quality assurance, quality control non-commissioned officer-in-charge and native of Brooklyn, N.Y., both with Troop D, 2nd Squadron, 1st Cavalry Regiment, 4th Stryker Brigade Combat Team, 2nd Infantry Division, provide maintenance for a Shadow unmanned aerial system after an evaluation flight Jan. 15.