OVERVIEW: The AN/FPS-108 COBRA DANE is a fixed, phased array, long range intelligence gathering surveillance radar designed to track and collect data on foreign intercontinental ballistic missile (ICBM) and submarine launched ballistic missile (SLBM) test launches to the Kamchatka and Pacific Ocean areas.

DETAILS: The AN/FPS-108 COBRA DANE radar is an active electronically scanned array installation operated whose primary mission of intelligence gathering in support of verification of the SALT II arms limitation treaty.  It became operational in 1976 and was upgraded in 2004.

Specifications:

Frequency			1215-1400 MHz  (D band (NATO), L Band (IEEE) Band)
Power output: 			920 kW (average); 15.4 MW (peak)
PRF:				 Hz
Range Resolution:		3 m (range), 0.02 degrees (azimuth)
On/Off time: 			unknown min. 
Deploy/Stow time: 		N/A min
Maximum Range:			14,000 km.  It is capable of detecting objects as small as 4 cm.
 

NOTES: Its single face radar with a 29 m (95 ft) diameter phased array radar antenna 52.7373N 174.0914E faces the Kamchatka Peninsula and Kura Test Range.   

SOURCES: Federation of American Scientists. "AN/FPS-108 COBRA DANE." Accessed November 24, 2013. http://www.fas.org/spp/military/program/track/cobra_dane.htm; Military Space News, Nuclear Weapons, Missile Defense. "Upgraded COBRA DANE Radar Transferred To USAF." Accessed November 24, 2013. http://www.spacewar.com/reports/Upgraded_COBRA_DANE_Radar_Transferred_To_USAF_999.html ; Wikipedia, the free encyclopedia. "COBRA DANE." Accessed November 24, 2013. http://en.wikipedia.org/wiki/COBRA_DANE ; "Cobra Dane Radar Missile Threat." Missile Threat. Accessed August 28, 2015. http://missilethreat.com/defense-systems/cobra-dane-radar/. ; "Space Surveillance Sensors: The Cobra Dane Radar (April 12, 2012)." Mostlymissiledefense. Accessed August 28, 2015. http://mostlymissiledefense.com/2012/04/12/cobra-dane-radar-april-12-2012/
