On-board tail jack assembly
On-board three-axes attitude determination and control system
On-orbit storage, plane change, and injection to final orbit...
Onboard aircraft de-icing using lasers
Onboard aircraft weight and balance system
One fin orientation and stabilization device
One piece spacecraft frame
One-piece airplane tail-cone with inspection door(s)
One-piece closed-shape structure and method of forming same
One-piece load line pocket for balloon
One-piece wrap around fin
Open breech hot launched fiber optic payout system
Open loop seeker aiming guiding system
Opening and secure-closing system for doors
Opening device common to two adjacent aircraft engine...
Opening parachute
Opening reinforcement for aerostat envelope
Operating and/or display unit for vehicles
Operating station for aircraft refueling boom
Operating station for aircraft refueling boom