Information for Mount Lemmon AFS, AZ

Latitude: 32-26-30 N, Longitude: 110-47-22 W

Call Sign(s): Sniper; Carrot Top

Perm ID Sage ID JSS ID Unit Location Early
M-92 Z-92   684 Mount Lemmon AFS, AZ MPS-7; TPS-10D; MPS-14; FPS-20/67; FPS-6 FPS-67B; FPS-6 Aug-56 31-Dec-69 1955 CONAD History document listed the site as Tucson. Family housing reportedly was at Davis-Monthan AFB. Radio (GATR) site later reactivated, and is still in use as site G-29.
M-92A       Sells, AZ (FPS-14 planned)       Gap-Filler Annex. Building is still extant. Adjacent to SR 86, about 15 miles NW of the town of Sells.
M-92B, TM-181B Z-181B     Covered Wells, AZ FPS-18   Dec-59 Dec-60 Gap-Filler Annex. Also known as Quijotoa. Building is still extant. Located adjacent to SR 86 (on south side), about 12 miles west of town.
M-92C       Benson, AZ (FPS-14 planned)       Gap-Filler Annex. Building and tower are no longer extant. All that remain are the concrete floor pad and the three radar-tower foundations. Site is about 200' south of I-10, about 3/4 mile west of the Sibyl interchange, about 6 miles east of town.
M-92D       Globe, AZ         Gap-Filler Annex. Located on Carol Spring Mountain, 23.7 road miles north of Globe off US Rte 60. Building is still extant. Reportedly, the site never became operational.

Current Use: Observatory, used by the University of Arizona and others; tracking radar (now removed) was used by US Army from Fort Huachuca, AZ.

Some photos and documents may be marked with varying degrees of classification, up to SECRET. Data so marked is the way it was delivered from official USAF sources, and have been completely declassified. To the best of our knowledge, no currently classified data is stored on this site.
The following site information is available: