Survivor!

When the last enemy was killed, every mecha operator started clearing up the battlefield. All the team leaders brought their team members to different areas and started to camouflage themselves. They disappeared from the screen.

"The chameleon system." The people at the base shouted excitedly when they saw close to 2000 mechas disappearing into the vast space.

The chameleon system was able to camouflage the mechas to their surroundings. It was the perfect assasination system. However, this system was expensive and difficult to produce. Only those mechas with special mission would require to have such a system installed. Other types of mechas had no affinity with this system.