Tommy Cheng, Defense Contract Management Agency Blue List quality assurance specialist, briefs representatives from eight different agencies on the mechanics behind small Unmanned Aircraft Systems technology and marketplace constraint solutions during a training event hosted by the Hap Arnold Innovation Center, March Air Reserve Base, Calif., April 14, 2026. Cheng, a drone enthusiast and engineer, gave insights into mechanical components and how drones are the biggest battlefield innovation in a generation. This training shaped smarter procurement, scalable small Unmanned Aerial Systems and cost-effective drone solutions for warfighters. Photo by Senior Master Sgt. Julianne Sitterding.