HEXTECH: Trinity City - Metro Defense Expansion

Trinity City takes no chances with external threats and has poured a sizable amount of its vast wealth into the protection and safekeeping of its borders.   A large external wall surrounds the entire perimeter of the city, tall enough to hinder access by enemy mechs attempting to jump over, and thick enough to be completely immune to conventional weaponry.  This mighty bastion is strong enough to support defending mechs and vehicles, as well as having a protected channel for personnel and supplies to be transported safely during combat.  Supported by various Sigma Dome complexes that house multiple Battlemech and heavy equipment, these blister hangers have been constructed into the walls, ensuring they are always close and ready to be deployed when under attack.  These Mech Hangars have lifts to the roof, which the defenders can then access the walls without needing jump jets of their own.  In addition, in some places of the city, several Sigma Domes have been connected with protected