http://pl.youtube.com/watch?v=wNf9rEPoc8Q
check @ 1;13 (siren) - on the ost you can hear it much better

Before chewing on Audio Bully's, check their album Ego War. However, after their debut album, they became crap.

i've herd a sound effect from action radar on the "new" army march intro

its like a high pitched screech noise and u hear it at 1 min 40 secs

and you hear the same high picthed screech noise at 48 secs on the electronic beats bratislava intro