You will be able to shop in our exchange and commissary, eat at our dining facilities, go to our clubs, and enjoy all the privileges of any other civilian of similar status. For current exchange rates, click here for the currency rate converter web site. The on-base shuttle bus is free. Off base, bus fare depends on distance traveled. The cost from the base to downtown Iwakuni is about 130 yen.
Commuter trains are very popular in Japan, and connect most major cities.
Only you can make this decision. You should plan on spending at least what you normally would back in the U.S. for comparable goods and services. MCCS pays for transportation to and from MCAS lwakuni, lodging while on MCAS Iwakuni, and your salary. You will be responsible for everything else. The only exception is for a family emergency.