Silver Creek Communications Annex

Silver Creek Communications Annex was a 373.7 meters tall guyed mast used by the USAF Survivable Low Frequency Communications System Site, which was built near Silver Creek, Nebraska at
. Detachment 1, 33d Communications Squadron, 1st Aerospace Communications Group out of Offutt AFB, ran the site until its inactivation.

History

The SAC SLFCS site at Silver Creek was built as a project assigned to the 32d Communications Squadron. The site was accepted by Headquarters USAF on 29 July 1968, and was activated for continuous operations on 19 August 1968. on 5 September 1968, operational testing began at Silver Creek.

Facility

Silver Creek's radio tower was a mast radiator insulated against ground, which provided VLF communication to ground and mobile nuclear missile facilities during the Cold War. It transmitted at a maximum power of 110 kW. The facility was partially built into the ground and was designed to withstand a moderate nuclear blast from a distance of. The facility was self-sustaining and employed a sophisticated ventilation system as well as backup diesel generators.