Kern County, California, is a large district at the southern end of the San Joaquin Valley, anchored by Bakersfield and spanning from the Coast Ranges across the valley floor to the Sierra Nevada and deep into the Mojave Desert; its economy is driven by agriculture, petroleum production, and major aerospace and military installations such as Edwards Air Force Base and China Lake Naval Air Weapons Station, making it one of the state's leading centers for energy, farming, and flight-test activity. - AsNotedIn