Rigid airship having ribs and long beams forming a carrier frame
Robot arm and method of its use
Rocket catapult
Rocket catapult with direct mechanically actuated ignition of ro
Roller drive unit
Roller harness arrangement for airplane pilot seats
Rolling aerial refueling boom
Rotary beam variable stiffness wing spar
Rotary wing aircraft in-flight refueling device
Rotating air cargo delivery system and method of construction
Rotating cockpit door
Runway-independent omni-role modularity enhancement (ROME)...