The 920th Rescue Wing (920 RQW), part of Air Force Reserve Command (AFRC), is another tenant command headquartered at Patrick SFB and is the installation's only military flying unit. An Air Combat Command (ACC)-gained combat search and rescue (CSAR) organization, the 920 RQW is the only rescue wing in the Air Force Reserve, operating the &lt;a href="HC-130"&gt;HC-130P/N "King"&lt;/a&gt; variant of the C-130 Hercules and HH-60G Pave Hawk helicopter, ready for worldwide deployment. In addition to its CSAR mission, the wing also participates in civilian rescue operations, ranging from rescue support for NASA crewed spaceflight operations, to augmentative support to U.S. Coast Guard search and rescue (SAR) operations, to Defense Support to Civil Authorities (DSCA) in the wake of major disasters. Most notable is the 920th's role in crewed spaceflight support to NASA, providing Eastern Range monitoring and having provided search and rescue support for space shuttle launches originating from Kennedy Space Center (KSC). Additional operations have included searching the Caribbean for downed aircraft, as well as retrieving critically ill sailors and passengers from ships hundreds of miles out in the Atlantic, often at night and/or in bad weather. Because the USAF HH-60 can refuel in flight from the USAF HC-130, MC-130, or USMC KC-130, it possesses a much greater range and mission radius versus similar military helicopters lacking such capability. The 920 RQW is a full participant in the Air Force's Air and Space Expeditionary Task Force (AEF) operating concept. Under this concept, the bulk of the wing deployed to Iraq in 2003 in support of Operation Iraqi Freedom. Subsequent AEF deployments have included Djibouti and Afghanistan in support of Operation Enduring Freedom.