How much rtoation of experience happens in the rotary world between SH and SAR crews over time. Is is a case of once on the SK fleet you generally stay there, or do the Puma/Merlin/Wokka mates cross over?
There has been quite a lot of movement between the green and yellow fleets - in both directions - in recent years. There are various individuals who did a first tour on SAR who are now flying Chinook, Puma, even Apache.
Unfortunately, this only came about after many years where very few people were prised out of a SAR slot, with the consequence that not many SH guys got a 'rest tour' on SAR (unlike the RN); a recent SAR Force Cdr recognized that this was wrong, and did much to address this (including getting SAR Force aircrew involved in MERT amongst other things), but the damage was done and the MOD decided that there was no justification in hanging onto SAR for rest tour purposes