Defence investment plan, which was originally due in the autumn, criticised by Tories and Lib Dems Sharon Graham, the leader of the UK’s second biggest union, Unite, is to face a challenge as general secretary over claims the union is not doing enough to challenge the rise of Reform UK , Matthew Taylor reports. The Ministry of Defence has already given some details of what’s in the defence investment plan (Dip), even though the full details won’t be released until later. Royal Navy The Royal Navy is transforming into a Hybrid Navy, combining autonomous vessels and AI with warships and aircraft, including: The Common Combat Vessel will replace the current fleet of six Type 45 destroyers, with delivery expected from the early 2030s. Unlike its predecessors, the new warship will act as a cont