A Funny Thing Happened on the Way to RN's Sub Base

Background 

From HMS Astute's unfortunate series of casualty prone sea trials M.E. had offered this  Interview with grounded sub's CIVILIAN fathometer operator from October 24, 2010. The
interviewee selected the disguise shown below.

Update: January 25, 2017

HM Naval Base Clyde will become the UK’s single integrated submarine base after 2020, with all operational UK’s subs based out of Scotland.  As currently planned, Astute-class attack boats will be based there in the mid-2020s and the new Dreadnought class of deterrent subs from the early 2030s.   

The Royal Navy’s Submarine Service unveiled its new official tartan yesterday.  The tartan was commissioned to celebrate more than a century of links between the submarine service and Scotland, ahead of HM Naval Base Clyde becoming the UK’s only submarine operating base.  The official submariner tartan, is available to all qualified submariners (RN dolphins required) past and present.  Below it is modeled by a submariner.

Submarines are always silent and strange.