We have search the codes that will allow you to test the bonus missions in Operation Flashpoint 2: Dragon Rising.
Simply enter one of the codes below (case-sensitive) in the "Bonus Codes" menu to unlock a bonus mission:
AmbushU454 :Ambush (US version)
RaidT18Z :Night Raid
SATURN :Ambush (European version)
AMAZON.DE : Attack From The Darkness (European version)