Narita

Narita is a city on the eastern outskirts of Tokyo, Japan. It's home to Tokyo’s Narita International Airport Chiba prefecture.

Locations of Interest
The Arasaka Corporation has a fairly sizable training facility near to the Narita Airport. The training facility is specific to Airport Security and dealing with illegal entry and weapons. It's not as big as the one located in Hokkaido, but is still one of the most significant ones.

Reference
MOSS, W. Corporation Report 2020. 1st ed. Berkeley CA: R.Talsorian Games, 1991