If that is the case Biggus then he would know that ...
They are very specialised and as such have no place doing their primary role on any other fleet!
...whilst taken literally is correct, his intent is bollox. Taken literally a SAR winch-man or winch-op can not do their 'primary role' on any other fleet or an R1 back-ender can not do their 'primary role' on any other fleet
A wetty can use some of his skills (e.g. EO) on certain other fleets (manned and un-manned) whilst dry-guys can go to the E3 and use exactly the same piece of kit as they used just forward of the galley on the MR2. Dry-guys are also comms, Radar and DAS specialists - all skills that can be utilised on other fleets after a course on manipulating the particular kit on those other fleets.
MadMark!!!
Edited to add: Jayand, ITYF = "
I think you'll find".