Sikorsky and Boeing’s medium-lift, high-speed, compound-coaxial helicopter that aimed to replace large numbers of Black Hawks ...
The U.S. Air Force plans to refine its concept for the future Increment 2 of the Collaborative Combat Aircraft (CCA).
Called aerobraking, the technique allows the highly classified craft to change orbit without using propellant—and some are ...
Negative-stiffness vibration isolators enhance AFM performance, ensuring stability and precision in nanoscale imaging and ...
Presidents Eisenhower, Kennedy, Johnson, and Nixon used an Air Force One plane known as SAM 970. The retired jet is now a ...