Caribou Air Force Station
Caribou Air Force Station, also known as North River Depot and East Loring, is a defunct Air Force Station that operated from 1951 until some time when it was absorbed into Loring Air Force Base in 1962. It was located in Limestone, Maine, adjacent to Loring. Between 1951 and 1962 Caribou was an Operational Storage Site for Air Materiel Command (AMC-OSS), one of five in the United States, and the weapons storage and maintenance facility for Loring alert aircraft.
Area 51
Four years of "Project 51" construction began on 1 October 1960 by Reynolds Electrical and Engineering Company (REECo) with double-shift construction schedules. The contractor upgraded base facilities and built a new runway (14/32) diagonally across the southwest corner of the lakebed. An Archimedean spiral approximately two miles across was marked on the dry lake so that an A-12 pilot approaching the end of the overrun could abort to the playa instead of plunging the aircraft into the sagebrush. Area 51 pilots called it "The Hook". For crosswind landings two unpaved airstrips (runways 9/27 and 03/21) were marked on the dry lakebed.