SPC Fernando Marzan, a 15E Unmanned Aerial System (UAS) maintainer with Detachment 1, D Company, 177th Brigade Engineer Battalion, 48th Infantry Brigade Combat Team, conducts preflight inspections on the RQ-7B Shadow UAS in eastern Afghanistan. The unit conducts 24-hour operations to keep visibility over Train Advise Assist Command – East. Georgia Army National Guard photo by SGT Jordan Trent