Among the top five SSBNs are the Typhoon-class, Ohio-class, Columbia-class, Vanguard-class, and Delta IV-class. -The Typhoon-class, once the largest ever built, was a Soviet counter to the Ohio ...

Russia's ongoing adaptation to drone warfare, marked by the installation of “cope cages” on nuclear-powered submarines.

one of its seven Delta IV-class SSBNs. Since its first SSBN was commissioned in 1960, the Soviet Union and now Russia has operated five classes of "boomers," some of them with their own subclasses.

The wait will continue to see the powerful Delta IV Heavy rocket blast off on its retirement flight. With minutes to go until the planned 2:45 p.m. target liftoff Thursday for the Delta IV Heavy ...

CAPE CANAVERAL, Fla. – It wouldn't be a final Delta IV Heavy rocket launch without the wait. On Tuesday, United Launch Alliance completed the bittersweet sendoff, marking the last mission of the Delta ...