KC-135 Air-to-Air Refueling Flight.

Two People KC-135 Stratotanker cockpit Brett Johnsen NurPhoto aerial refueling military aircraft air force tanker aircraft aviation pilot aircraft controls flight deck USAF refueling boom aircrew navigation systems communication systems flight instruments fuel management altitude control airspeed indicators flight engineer mission planning aerodynamics cockpit layout avionics flight operations cockpit displays aircraft systems flight safety.