Albin Johnson, The Birth of the 501st Legion, Part Six: Raising the Banner, su Star Wars Blog, 21 giugno 2013. URL consultato il 20 agosto 2013 (archiviato dall'url originale il 30 agosto 2013).
«Desert Troopers would be labeled “TD” and came from specialized training schools for their missions, Snowtroopers would be “TS”, Biker Scouts would be “TB.”»
