Use one of the following values for the giveupgrade and removeupgrade codes.

Distress beacon : 30
Faster reinforcements: 31
Jetpacks: 28
Marine armor upgrade: 20
Marine armor upgrade: 21
Marine armor upgrade: 22
Marine damage upgrade: 23
Marine damage upgrade: 24
Marine damage upgrade: 25
Motion-tracking: 33
Power Armor: 29
Siege: 26
Stimpack: 27