The spaced-aged 'death ray', dubbed 'DragonFire', is used to blow up missiles, jets and swarms of explosive suicide drones - with a former head of the Royal Navy hailing them 'war-winners'.
The 190-strong crew of Royal Navy destroyer HMS Exmouth were on escort duty in January 1940 when their vessel was hit by a torpedo and sank within two minutes.
The satellite service will be trialled on HMS Prince of Wales to allow sailors to contact family and watch TV shows during its upcoming voyage to the Indo-Pacific.
The UK has its own nuclear warheads but fits them to American made and maintained Trident ballistic missiles carried in the Royal Navy's Vanguard Class submarines.