However, the introduction of an enhanced Trident II variant altered this request. In 1982, an agreement between the UK and the U.S. culminated in the delivery of the UGM-133 Trident II.

The United States Navy’s Ohio-class ballistic missile submarine c an carry 24 UGM-133 Trident II D5 submarine launched ballistic missiles that can each carry as many as twelve W88 475 kiloton ...

For comparison, among current missiles, the UGM-133 Trident II might be the speediest. It's a submarine-based missile that hits about 8.06 kilometers per second (18,000 mph for you imperial unit ...

The agreement cements options for the Navy to enable Lockheed Martin to produce Trident II D5 missile and provide deployed system support, the Pentagon said. The UGM-133A Trident II, or Trident D5 ...