The U.S. Air Force has officially retired its last F-15C/D Eagle fighters from Kadena Air Base in Japan, marking the end of an era for the venerable Cold War air superiority workhorse. -The aging jets ...

A detailed model for semiconductor linear optical amplifiers (LOAs) with gain clamping by a vertical laser field is presented, which accounts the carrier and photon density distribution in the ...

Bell's concept for an advanced tiltrotor-jet hybrid aircraft will move into the build stage of the US Defense Advanced ...

The build-up rate of the bottom hole assembly (BHA) fluctuates violently during the deviation correction in the vertical drilling process due to the mutation of stratum, low operation accuracy of the ...