Freight

Cost: 50 - Upkeep: 0

Required tech.: The Corporation

Obsoletes: Caravan

Attack: 0 - Defense: 1

HP: 10 - FP: 1

Move: 2

Vision range: 1

Can establish trade routes (must travel to target city and must be at least 9 tiles [in Manhattan distance] from this unit's home city).
Can help build wonders (adds 50 production).
May be disbanded in a city to recover 50% of the production cost.
May fortify, granting a 50% defensive bonus.
May pillage to destroy infrastructure from tiles.
Ignores zones of control.
A non-military unit (cannot attack; no martial law).
May become veteran through training or combat.

The Freight unit replaces the Caravan, and moves at twice the speed.