Related by context. Frequent words. (Click for all words.) 55 propulsion 53 magnetron 53 electric propulsion 52 lightweight composites 52 ultrasonics 52 ramjet 52 maglev trains 51 combustors 51 motors generators 51 opto mechanical 51 inertial navigation systems 51 ceramic coatings 51 VASIMR 51 inertial guidance 51 Pranalytica 50 hypersonic speeds 50 photonic components 50 jet propulsion 50 infrared countermeasures 50 sensor arrays 49 microreactors 49 hypersonic 49 thermoplastic composite 49 robotic welding 49 nanosystems 49 hypersonic flight 49 actuation systems 49 superconducting wire 49 nanoelectronic devices 49 radomes 49 photonic devices 49 Active Electronically Scanned Array 49 railgun 49 biodetection 48 scramjets 48 cavitation 48 piezoelectric materials 48 Miniaturization 48 Millimeter wave 48 induction motors 48 Pulsed 48 nonpolar 48 Required Navigation Performance RNP 48 silicon germanium SiGe 48 ion propulsion 48 nanopatterning 48 2G HTS wire 48 ducted fan 48 MEMs 47 scanning electron microscopes 47 MEMS accelerometers 47 scramjet engine 47 interferometers 47 electroluminescence 47 silicon transistors 47 VTOL 47 electromagnetics 47 turboshaft engines 47 rotary motors 47 airfoils 47 piezo electric 47 spaceborne 47 readily adaptable 47 propulsion systems 47 photoluminescence 47 reliability maintainability 47 microelectronic devices 47 technology 47 dispersive 47 MALD 47 photonic integrated circuits 47 Superconducting 47 Technology Demonstrator 47 aluminum nitride 47 nano fabrication 47 nanopositioning 46 Scramjet 46 bipolar transistors 46 temperature superconducting 46 electromagnetic pulses 46 electro mechanical systems 46 antisubmarine warfare 46 lunar landers 46 microdevices 46 micromechanical 46 UCAV 46 Vehicles Directorate 46 quantum cascade laser 46 TrueMill 46 supersonic 46 hydrodynamics 46 brushless DC 46 ElectriPlast 46 propulsion motors 46 microelectronic components 46 components subsystems 46 VCSELs 46 electrostatics 46 scramjet 46 electro optic 46 radiofrequency RF