Czechoslovak People Army (CSLA) is a full modification for the czech game Arma2:Combined Operations. CSLA modification adds new czechoslovak men (riflemen, paratroopers etc.), rifles, machineguns, static weapons, armoured and transport vehicles, planes and helicopers and many other features.
From which country is that soldier on the left with what appears to be a FN FAL?.
Because sure as hell those aren't NATO forces.
As a BLUFOR are in Arma 2 fictional units of AFMC (Armed Forces of the Midland Coalition)