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.
Johnson Valley, California Johnson Valley is a small unincorporated community in San Bernardino County in Southern California between the Victor Valley and Morongo Basin areas of the High Desert region of California. It is located north of Highway 247 in the Mojave Desert, and north by northwest of Yucca Valley. It is bordered by the San Bernardino Mountains to the south, Lucerne Valley to the west, and Landers to the east.