In the 21st century, mankind's last hope are the sentinels.
Sentinel 2099
ActionScience Fiction
The Crew of a Sentinel unit (a 30 ton walking tank) is sent on a desperate mission to protect the flank of a retreating army from alien invaders.
In the 21st century, mankind's last hope are the sentinels.
The Crew of a Sentinel unit (a 30 ton walking tank) is sent on a desperate mission to protect the flank of a retreating army from alien invaders.
