Cannot sail and soon no missiles due to budget cuts.
Meanwhile the Chinese and Russians have missiles.
http://www.express.co.uk/news/world/735869/China-missile-hypersonic-Russia-Putin-Nato-targets-300-miles-away
Royal Navy surface warfare tactics, circa 2018 (after Harpoon anti-ship missiles are retired):
1) Form battle line (assuming ships can maintain power)
2) Engage with deck gun
3) Maneuver to suck enemy into CIWS range; engage with anti-missile guns
4) Distribute small arms and cutlasses
5) Prepare to board!
6) Employ damage control and abandon ship procedures