The Royal Navy’s Astute-class nuclear-powered attack submarines (SSNs) are among the most advanced in the world, combining ...

"US Navy’s newest Virginia-class submarine Arkansas launches" was originally created and published by Naval Technology, a ...

Still, it may take a few classes before you hit your groove at the barre. "Class moves quickly, and can be challenging, since you’ll utilize muscles you never knew you had," says DiGiorgio.