Transport Familiarity

As a house rule for my campaign, the groups enumerated below replace these groups...

...from the original write-up of Transport Familiarity (HERO System Rulebook, pg. 40).

Common Surface Vehicles

Uncommon Ground Vehicles
(Cannot be purchased as a category.)

Common Water Vehicles

Uncommon Water Vehicles
(Cannot be purchased as a category.)

Common Aerospace Vehicles

Uncommon Aerospace Vehicles
(Cannot be purchased as a category.)