421st Fighter Squadron (421 FS), part of the 388th Fighter Wing at Hill Air Force Base, Utah
The remnant of the nationalist Temporarily Organized 5th Division fled to the north of Yongshun (永顺) County, where they were surrounded by units of the 421st Regiment and units of the 423rd Regiment of the communist 141st Division, and units of the Independent Regiment of communist Enshi Military Sub-District.
"421 (Everybody Loves You)" was played on national television when Brett Favre threw his record-breaking 421st touchdown pass on October 1, 2007.