Yuma

The Yuma Proving Ground is a military base mentioned by Lucius in Caesar's Legion territory in Arizona.

Background
Dale Barton once stopped at the base in Yuma to salvage a howitzer that he later sold to the Legion. It's now stationed at Fortification Hill, to be used in a suppressing fire role when the Second Battle of Hoover Dam begins.

Appearances
The Yuma Proving Ground is mentioned only in Fallout: New Vegas.

Behind the scenes
The Yuma Proving Ground is a military base in the southwest of La Paz County in the west of Yuma County in Arizona.