Zephyr HALE UAS (High Altitude Long Endurance Unmanned Aerial System)
X-HALE: Designing the Atmospheric Surveillance Platforms of the Future
XHAB University of South Alabama: Development of a Concentration Swing Frequency Response Device
X-43A: The First Flight of a Scramjet Powered Airplane
WTEC panel report on research submersibles and undersea technologies
Wrist Camera Orientation for Effective Telerobotic Orbital Replaceable Unit (ORU) Changeout