Following the 2019 White Paper on Defence we now have the COMMISSION on DEFENCE 2020, but there is also another oversight body made up of Civil Servants with an input from a member of the GS ( A/COS Supply ) who are running an on-going housekeeping unit described as an EQUIPMENT DEVELOPMENT PLAN. There is a lot of expansionary wording and intention to develop but all is tempered by " funding" and financial limitations. The real path to progress is a timescale Budget and trust a Defence uniformed team to develop and update those sections of the Defence Forces that need it. A brief look at the EDP doc indicates that it is overegging aspects and might be creating a false impression of capabilities. The Multibeam Sonar is not a target tracking sonar but an Echo Sounder used for mapping the sea bed. All ships by law are required to carry an echo sounder for verifying Depth.