I gotta say I saw SG-1s on most of the troops I came across. I dunno if they were issue or not, but that's what most of the rat patrol wore.

Something I learnt from female japanese oyster divers, wet tobacco rubbed on the lens is an antifog application.
_________________________
The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)