The U.S. Navy is expected to give General Atomics flight clearance for anti-submarine warfare operations using the MQ-9B ...
Lockheed Martin, parent of Sikorsky, marked the milestone with a ceremony as the aircraft, also known as the 'Romeo', was handed over to Helicopter ...
By introducing its first Kilo-class sub in 1980, the Soviet Union was entering a new phase of diesel-electric submarine ...