US Navy, Northrop Grumman Successfully Launch Trident II D5 Missile From USS Louisiana Submarine for a Record 191 Times
The US Navy has achieved a significant milestone with the successful flight tests of the Trident II D5 Submarine Launched Ballistic Missile (SLBM) for a record 191 times, using Northrop Grumman Corporation's solid rocket motors.
Source: techtimes.com