Joint Operational Support Airlift Center

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Joint Operational Support Airlift Center (JOSAC) is the airlift branch of United States Transportation Command (USTRANSCOM). JOSAC specializes in airlift within the continental United States. JOSAC schedules aircraft assigned to the U.S. Air Force, Air National Guard and Reserve, Army National Guard and Army Reserves and the U.S. Marines.

JOSAC is located at Scott Air Force Base in Illinois. JOSAC was stood up in July 1996 to efficiently schedule to Operational Support Airlift assets of the Air Force, Navy, Marines and Army. Presently there are 80 units in the USA that provide aircraft for JOSAC, providing a fleet of approximately 130 aircraft. Aircraft utilized include the C-21A, C-12, C-26, UC-35, C-20, and C-40.{{fact|date=January 2024}}

Schedulers receive requests from travel validators via the JALIS database (Joint Air Logistics System), which is an Oracle-based system developed by the US Navy. JOSAC consists of Military and Civilian personnel based at Scott AFB. JOSAC is run by an Active Duty O6.{{fact|date=January 2024}}

There are a number of detachments in various Army National Guards:

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class="wikitable"
style="width: 10%;" |Detachment No. ! State ! Aircraft type
| 54	Alaska
| 5	Alabama
| 30	Arkansas
| 31	Arizona
| 32	California
|	Colorado
| 6	Connecticut
| 7	Delaware{{Cite web |url=https://www.de.ng.mil/news/delaware-national-guard-welcomes-home-soldiers-of-the-operational-support-airlift-agency/ |title=Delaware National Guard Welcomes Home Soldiers of the Operational Support Airlift Agency | Delaware National Guard |access-date=2016-12-25 |archive-date=2016-12-30 |archive-url=https://web.archive.org/web/20161230153131/https://www.de.ng.mil/news/delaware-national-guard-welcomes-home-soldiers-of-the-operational-support-airlift-agency/ |url-status=dead }}
| 4	District of Columbia
| 8	Florida
| 9	Georgia
|	Guam
|	Hawaii
| 34	Iowahttp://www.iowanationalguard.com/News%20Releases/OSACOM%20Send-off.24JUN14.pdf {{Webarchive|url=https://web.archive.org/web/20140822020540/http://www.iowanationalguard.com/News%20Releases/OSACOM%20Send-off.24JUN14.pdf |date=22 August 2014 }} {{Bare URL PDF|date=March 2022}}
| 35	Idaho
| 36	Illinois
| 10	Indiana
| 37	Kansas

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class="wikitable"
style="width: 10%;" |Detachment No. ! State ! Aircraft type
| 6	Kentucky
| 38	Louisiana
| 12	Massachusetts
| 13	Maryland
| 14	Maine
| 15	Michigan
| 39	Minnesota{{Cite web |url=http://www.minnesotanationalguard.org/press_room/e-zine/articles/index.php?item=2498 |title=Detachment 39 returns from Afghanistan deployment |date=March 11, 2010 |publisher=Minnesota National Guard |access-date=25 December 2016 |archive-date=26 December 2016 |archive-url=https://web.archive.org/web/20161226060056/http://www.minnesotanationalguard.org/press_room/e-zine/articles/index.php?item=2498 |url-status=dead }}
| 40	Missouri
| 16	Mississippi
| 41	Montana
| 17	North Carolina
| 42	North Dakota{{Cite web|url=http://hot975fm.com/bismarck-veterans-day-resonates-deeply-as-four-area-soldiers-return-from-afghanistan/|title=Four Bismarck Soldiers Return from Afghanistan|date=11 November 2013 }}
| 43	Nebraska
| 45	Nevada{{Cite web |url=http://www.nevadaappeal.com/news/local/nevada-army-guard-aviation-unit-set-for-deployment-2/ |title=Nevada Army Guard aviation unit set for deployment | NevadaAppeal.com |access-date=2016-12-25 |archive-date=2016-12-26 |archive-url=https://web.archive.org/web/20161226055909/http://www.nevadaappeal.com/news/local/nevada-army-guard-aviation-unit-set-for-deployment-2/ |url-status=dead }}
| 18	New Hampshire{{Cite web |url=http://www.ayotte.senate.gov/?p=press_release&id=1637 |title=Happy Halloween & News Updates | Kelly Ayotte | United States Senator |access-date=2016-12-25 |archive-date=2016-12-26 |archive-url=https://web.archive.org/web/20161226145502/http://www.ayotte.senate.gov/?p=press_release&id=1637 |url-status=dead }}
| 19	New Jersey
| 44	New Mexico
| 20	New York

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class="wikitable"
style="width: 10%;" |Detachment No. ! State ! Aircraft type
|	Ohio
| 46	Oklahoma
| 47	Oregon
| 22	Pennsylvania
| 56	Puerto Rico
| 23	Rhode Island
| 24	South Carolina
| 48	South Dakota
| 25	Tennessee{{Cite web|url=http://www.africom.mil/media-room/article/8274/tennessee-army-national-guard-operational-support-|title = United States Africa Command}}
| 49	Texas
| 50	Utah
| 26	Virginia{{Cite web |url=http://vaguard.dodlive.mil/2015/11/21/8325/ |title=Aviator with 40 years military service flies final flight |access-date=2016-12-25 |archive-date=2016-12-26 |archive-url=https://web.archive.org/web/20161226150812/http://vaguard.dodlive.mil/2015/11/21/8325/ |url-status=dead }}
|	U.S. Virgin Islands
| 27	Vermont
| 51	Washington
|	Wisconsin
| 28	West Virginia	C-12V{{cite web|url=https://issuu.com/wvng/docs/wvng_annual_report_final|title=Annual Report 2018|publisher=West Virginia Army National Guard|date=9 March 2019}}
| 53	Wyoming

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