Answers: Sub Mystery Quiz From 16 Feb 2013
For related image(s) and background information, see original posting here.
1- Based upon evident disciplinary performance trends (improved, deteriorating, worse than average, etc) for each RN submarine, their names have often been misleading. While some subs might retain their commissioned names, others would be more appropriately swapped in the sense of disciplinary performance of recent years. Assigning a) to HMS Astute, b) to HMS Ambush, through m) for HMS Vigilant, match the performance in each row with the appropriate name.
Example: k) Vengeance, might be more appropriately named Astute.
Answer (one of many):