Zodiac II: debris disk science from a balloon
Zonal deformable mirror for laser wavefront control
Zoom athermal telescope having 18.5 magnification range for 8 to 12-u range FLIR systems
``FIRST,'' A Submillimeter Space Mission
××Cryogenic testing of a 1024×1024 Si:As array for WISE
μAsc: a miniature star tracker