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| 2012-mar |  HMS Iron Duke F234 | Frigate Type 23 Duke class | entered an 11 month refit in Portsmouth, to include installation of the Type 997 ARTISAN surveillance radar (first Type 23 to receive this new 3D radar). |
| 2012-dec | HMS Ocean L12 | Assault Carrier Ocean class | entered 10 Dock at HMD Devonport with Babcock for 15 month major upkeep and upgrade programme. Includes new Type 997 Artisan radar, 30mm guns, IT and environmental systems, with a new 20kt top speed. Came out of dry dock on 31 Jul 2013 and is due to complete 2014. |
| 2013-oct-20 | HMS Argyll F231 | Frigate Type 23 Duke class | pictured in HMNB Devonport under maintenance, including installation of the Type 997 ARTISAN surveillance radar (second Type 23 to receive this new 3D radar). |
| 2013-oct-28 | HMS Sutherland F81 | Frigate Type 23 Duke class | commenced planned 11 month refit at HMD Devonport, to include a new command system and the Type 997 Artisan radar. After re-flooding the dry dock in May and emerging from the covered complex in early Oct 2014, completed refit in Mar 2015. |
| 2014-feb-6 | HMS Monmouth F235 | Frigate Type 23 Duke class | at HMD Devonport with Babcock for fitting Artisan 3D radar and improving Seawolf system, amongst other work, until 6 Jul 2015. Returned to the Fleet in Nov 2015. |
| 2014-oct-17 | HMS Montrose F236 | Frigate Type 23 Duke class | at HMD Devonport with Babcock for fitting Sea Ceptor, Artisan 3D radar and improving the command system, amongst other internal and external work. Returned to sea in Jun 2017. |
| 2014-nov | HMS Westminster F237 | Frigate Type 23 Duke class | Type 23 Mid Life Upgrade: refit at HMD Portsmouth (15 Dock), including new Command Systems and Artisan 3D radar fit, by BAE Systems. Refloated 8 Oct 2015. Sea Wolf replaced by Sea Ceptor. Completed Jan 2017. |
| 2015 | HMS Albion L14 | Landing Ship/Platform Dock Albion class | refit at Babcock, Devonport to bring ship out of extended readiness, includes Type 997 radar, addtion of Phalanx CIWS, improvements to propulsion and fire detection systems. |
