aerotext aerodynamic heating approach and landing tests ares i ares iv ares v atlas v barge cavitation clean air act crawler-transporter direct edwards air force base explosive material fiscal year fluid foam gas getaway special goodyear airdock human-rating certification hydrogen indian ocean kennedy space center knolls atomic power laboratory liquid hydrogen liquid oxygen list of space shuttle crews list of space shuttle missions lockheed martin lockheed martin aeronautics lockheed martin canada lockheed martin information technology lockheed martin maritime systems and sensors lockheed martin missiles and fire control lockheed martin orincon lockheed martin sniper xr lockheed martin space systems lockheed martin systems integration - owego mpta-et martin marietta medium extended air defense system michoud assembly facility milling machine mobile user objective system nasa space shuttle decision new orleans new york stock exchange nimiq nose cone ogive oxygen pacific ocean phenolic polar orbit propellant relief valve s-ic s-ii s-ivb sandia national laboratories saturn v savi technology shuttle-c shuttle carrier aircraft shuttle landing facility shuttle training aircraft space-based infrared system space shuttle space shuttle columbia space shuttle discovery space shuttle solid rocket booster space shuttle abort modes space shuttle orbiter space shuttle program space shuttles in fiction terminal high altitude area defense thermal thermal insulation titan ii titanium trident missile ullage umbilical cable united launch alliance united space alliance united states environmental protection agency vent white sands space harbor