Supreme Leader Ayatollah Ali Khamenei announced that Iran’s first vice president, Mohammad Mokhber, would serve as the ...

Hypersonic flight has long been a military obsession, but the idea of a sitting United States president crossing oceans at more than five times the speed of sound would push that technology into the ...

When it comes to transporting heads of state by means of helicopters, there is no beating the Sikorsky S-92. The heavy lifter has been around for a little more than two decades now, and no less than ...