Use of lunar regolith as a substrate for plant growth
Use of Hawaii Analog Sites for Lunar Science and In-Situ Resource Utilization
U.S. Coast Guard GAP Analysis Report (Final)
Upgrading the Extender: Which Options Are Cost-Effective for Modernizing the KC-10
Unmanned. Evaluation of Bauer High Pressure Breathing Air P-5 Purification System
United States and Soviet Life Sciences factors in long-duration space flights
United States Air Force Unmanned Aircraft Systems Flight Plan 2009-2047
Understanding the organization of the amphibian egg cytoplasm - Gravitational force as a probe
Understanding Fire Through Improved Technology
Uncertainties in radiation effect predictions for the natural radiation environments of space
Ultrastructural studies on plasma membrane related secondary vacuoles in cultured cells