Assault rifles, SMGs, LMGs, pistols: Get 150 kills with the desired weapon with no attachments. Shotguns, sniper rifles: Get 50 kills with the desired weapon with no attachments. Assault Shield: Get 25 Hatchet Kills while holding the Assault Shield. SMAW, FHJ-18 AA: Destroy 5 aircraft in a single game 1 time with the desired weapon. RPG: Destroy 1 aircraft using the RPG. Combat Knife: Get 5 Survivor medals using the Combat Knife.