Area 2

Area 2 is a location mentioned by the Boomers in Fallout: New Vegas.

Background
According to Pete at Nellis Air Force Base, Area 2 was a huge military depot in Nevada, located many miles away from the Nellis AFB. The Boomers obtained their Howitzers and ammunition for them from it, dragging them across the Mojave Wasteland to Nellis AFB over several months.

Behinde The Scenes
Area 2 is probably a reference to Area 51