Target Marks: Mission 8 | Target Marks Lost Planet Guide

On a higher level of the first hangar you enter, use your anchor to get in there.

On the framework in the room where you take over a GAB.

Behind a container in the second lava-filled room inside the installation.

On a destroyed highway.

On a bridge above a river of lava (near where you can find a Homing Laser, check the walkthrough for details).

In a tunnel just before you find the first EM Laser.

Near the giant fans near the end of the level.