They aren't Tier 1; this isn't special ops.
They are contractors; this is Private Military Company.

Forthcoming add-on Arma 2: Private Military Company gets loaded with an epic launch trailer, captured ingame!

Bohemia Interactive announces a new release date for its forthcoming expansion, Arma 2: Private Military Company - Tuesday 30th November 2010.

Next up in our new 'Report In!' series, a discussion with one of Bohemia Interactive's Senior Designers, and some exclusive 'behind the scenes' images have been declassified and are ready for immediate analysis!