As to ships spending too much time being repaired in dock, one is reminded of Richard Gere's lament in "Officer and a Gentleman," "I got no where else to go!"
On Saturday, the Ministry of Defense (MoD) revealed that the Navy's only vessel for repairing damaged warships at sea will be sold off.
https://sputniknews.com/europe/20160822/1044516887/uk-navy-war-disgrace.html
It's real. He's Admiral Alan West, Baron West of Spithead, RN, retired. Created a life peer in 2007.