Editing Virginia-class submarine (section)

=== Unified Modular Masts ===
''Virginia''-class subs are the first class where all [[Radio masts and towers|masts]] share common design – the Universal Modular Mast (UMM) – designed by [[L3 Technologies|L3]] KEO<ref>{{cite web |url= http://www2.l-3com.com/keo/products/submarine.htm#o |title=Submarine Imaging |publisher= L-3com |access-date=26 April 2015 |archive-url= https://web.archive.org/web/20150420040436/http://www2.l-3com.com/keo/products/submarine.htm#o |archive-date=20 April 2015 |url-status= dead}}</ref> (previously Kollmorgen).<ref>{{cite press release |url= http://www.l-3com.com/media-center/press-releases.html?pr_id=1658097 |title=L-3 Completes Acquisition of Kollmorgen Electro-Optical |number= 212–697–1111 |publisher=L-3com |date=7 February 2012 |access-date= 26 April 2015 |archive-url = https://web.archive.org/web/20150402111442/http://www.l-3com.com/media-center/press-releases.html?pr_id=1658097 |archive-date=2 April 2015 |url-status=dead}}</ref><ref>{{cite web |publisher=SPIE Europe |url=http://optics.org/news/3/2/7 |title=L-3 completes $210M Kollmorgen acquisition |work=Optics.org |date=8 February 2012 |access-date=26 April 2015 |archive-url= https://web.archive.org/web/20150904031441/http://optics.org/news/3/2/7 |archive-date=4 September 2015 |url-status=live}}</ref> Shared components have been maximized and some design choices are also shared between different masts. The first UMM was installed on {{USS |Memphis|SSN-691|6}}, a ''Los Angeles''-class submarine.<ref>{{cite web |url= http://www2.l-3com.com/keo/pdfs/AD-16%20PMP%20datasht.pdf |title= Photonics Mast Program |publisher=L-3 KEO |date=20 March 2008 |access-date=26 April 2015 |archive-url= https://web.archive.org/web/20121223014422/http://www2.l-3com.com/keo/pdfs/AD-16%20PMP%20datasht.pdf |archive-date=23 December 2012 |url-status=dead}}</ref> The UMM is an integrated system for housing, erecting, and supporting submarine mast-mounted antennas and sensors.<ref>{{cite web |date=30 July 1998 |title=U.S. Navy: Vision… Presence… Power |url= http://www.navy.mil/navydata/policy/vision/vis98/vis-p10.html |url-status=dead |archive-url = https://web.archive.org/web/20150420230121/http://www.navy.mil/navydata/policy/vision/vis98/vis-p10.html |archive-date=20 April 2015 |access-date=26 April 2015 |publisher=US Navy}}</ref> The UMMs are the following:
* Snorkel mast<ref name=":0">{{Cite web |title=Virginia class Attack Submarine – SSN |url= https://www.seaforces.org/usnships/ssn/Virginia-class.htm |access-date=9 November 2011 |website= Sea forces}}</ref>
* Two photonic masts<ref name=":0" />
* Two communication masts<ref name=":0" />
* One or two high-data-rate satellite communication (SATCOM) masts,<ref>{{cite speech |url= http://www.navy.mil/navydata/cno/n87/congress/fages062000.html |title=RADM Fages' 2000 Testimony |publisher=Chief of Naval Operations, Submarine Warfare Division |date=27 June 2000 |access-date=26 April 2015 |archive-url = https://web.archive.org/web/20091222091814/http://www.navy.mil/navydata/cno/n87/congress/fages062000.html |archive-date=22 December 2009 |url-status=dead}}</ref> built by Raytheon,<ref name= "raytheon1">{{cite press release |url= http://investor.raytheon.com/phoenix.zhtml?c=84193&p=irol-newsArticle&ID=597551 |title=Raytheon to Produce SATCOM System for New Virginia Class Submarine; Contract Valued at $29.4 Million |publisher=Raytheon |date=28 July 2000 |access-date=26 April 2015 |archive-url=https://web.archive.org/web/20151016051956/http://investor.raytheon.com/phoenix.zhtml?c=84193&p=irol-newsArticle&ID=597551 |archive-date=16 October 2015 |url-status=live}}</ref> enabling communication at [[Super High Frequency|super high frequency]] (for downlink) and [[Extremely High Frequency|extremely high frequency]] (for uplink) range<ref name=":0" /><ref name="raytheon1" /><ref>{{cite web |url = http://www.afspc.af.mil/library/factsheets/factsheet.asp?id=7758 |title=Factsheets : Advanced Extremely High Frequency System |publisher=Air Force Space Command |date=25 March 2015 |access-date= 26 April 2015 |url-status=dead |archive-url= https://web.archive.org/web/20150919125701/http://www.afspc.af.mil/library/factsheets/factsheet.asp?id=7758 |archive-date=19 September 2015}}</ref>
* Radar mast (carrying AN/BPS-16 surface search and navigation radar)<ref name=":0" /><ref>{{cite web |date=6 December 2013 |title = AN/BPS-15/16 Radar |url= http://www.navy.mil/navydata/fact_display.asp?cid=2100&tid=309&ct=2 |url-status=dead |archive-url= https://web.archive.org/web/20150327044420/http://www.navy.mil/navydata/fact_display.asp?cid=2100&tid=309&ct=2 |archive-date=27 March 2015 |access-date=26 April 2015 |website=Fact File |publisher=US Navy}}</ref>
* Electronic warfare mast (AN/BLQ-10 Electronic Support Measures) used to detect, analyze, and identify both radar and communication signals from ships, aircraft, submarines, and land-based transmitters<ref name=":0" /><ref>{{cite web |url= http://www.public.navy.mil/subfor/underseawarfaremagazine/Issues/Archives/issue_11/ship_sensors_weapons.html |title=Ships, Sensors, and Weapons |publisher=US Navy |date=Spring 2001 |volume=3 |issue=3 |access-date=26 April 2015 |archive-url= https://web.archive.org/web/20150605233336/http://www.public.navy.mil/subfor/underseawarfaremagazine/Issues/Archives/issue_11/ship_sensors_weapons.html |archive-date=5 June 2015 |url-status=dead}}</ref><ref>{{cite conference |url = https://www.myaoc.org/eweb/images/aoc_library/Events/2002/102802_CONV/02CONV_Proceedings/Day3/Track4/Phelps.pdf |title=AN/BLQ-10(V): Submarine Electronic Warfare Support for the 21st Century |last = Phelps |first=William |conference=39th Annual AOC International Symposium and Convention |location=Nashville, [[Tennessee | TN]] |publisher= Association of Old Crows |date=29 October 2002 |access-date=26 April 2015 |archive-url= https://web.archive.org/web/20150402181142/https://www.myaoc.org/eweb/images/aoc_library/Events/2002/102802_CONV/02CONV_Proceedings/Day3/Track4/Phelps.pdf |archive-date=2 April 2015 |url-status= dead}}</ref><ref>{{cite web |url= http://www.dote.osd.mil/pub/reports/FY2013/pdf/navy/2013anblq10.pdf |title=AN/BLQ-10 Submarine Electronic Warfare Support System |publisher= OSD |access-date=26 April 2015 |archive-url= https://web.archive.org/web/20150402115407/http://www.dote.osd.mil/pub/reports/FY2013/pdf/navy/2013anblq10.pdf |archive-date=2 April 2015 |url-status=dead}}</ref>