Thanks BN - yes its easy for us practioners (old!!(me!!) or young) to get embroiled in the important minutia of our trade - but Joe Bloggs just want's rescuing and doesn't give a real stuff about where its come from at the time! (they get pi**ed off if it doesn't show though - thats for sure!!)
Well wouldn't it be nice if that was part of a SAR-H contract - there are other innovations as well - Have to say that as a guy with quite a few NVG hours behind me - anything that takes the art forward for the next 30 years has to be where its at!
Cheers