Destroy the first AA gun in A:CM

"Destroy the AA guns (1 of 3)" is a mission objective in the game Aliens: Colonial Marines

Briefing

There are a total of three AA Guns (Anti-Air Guns) you need to destroy

Mission

Derelict Reclaimed

Locations

Yard with AA Guns

Walkthrough

Pick up the M5 RPG Launcher. It is located on the top of a hill, on crate next to a APC.

Zoom in on the AA Gun with your scope and fire three rockets on it. If you miss or if the AA Gun is not destroyed yet, go back to where you found the RPG and there will be more ammo for it there.