McChord Field is home to a wide variety of units and missions. The 62nd Airlift Wing is the active duty wing on McChord Field. The 62nd Airlift Wing is joined by its Reserve partner the 446th Airlift Wing. Together, the two wings fly 40 C-17 Globemaster IIIs to provide combat airlift for America. Joint Base Lewis-McChord also hosts the Western Air Defense Sector, an Air National Guard unit; the 22nd Special Tactics Squadron; the 361st Recruiting Squadron and a number of other units across the installation.