Complex sentence: HMS "Torbay," HMS "Trenchant" and HMS "Talent" have been fitted with Sonar 2076, which the Royal Navy describes as the most advanced sonar in service with any navy in the world.
Split into simpler sentences: HMS "Torbay," HMS "Trenchant" and HMS "Talent" have been fitted with the world class Sonar 2076. The Royal Navy describes Sonar 2076 as the most advanced sonar in service with any navy in the world.