The 337th Flight Test Squadron (337 FLTS) was most recently part of the 46th Test Wing and based at McClellan Air Force Base, a former United States Air Force base located in the North Highlands area of Sacramento County, in which US state?
McClellan Air Force Base McClellan Air Force Base (1935–2001) is a former United States Air Force base located in the North Highlands area of Sacramento County, 7 mi northeast of Sacramento, California.
Mendocino County, California Mendocino County is a county located on the north coast of the U.S. state of California. As of the 2010 census, the population was 87,841. The county seat is Ukiah.