- NANA Regional Corporation (Fort Sill, OK)
- …+ The rail operation crew operates on the Fort Sill Installation as well as travels to remote sites in Oklahoma, Arkansas, Colorado and Texas. + Relays signals for ... train movement by use of hand signals, lanterns, flags, and voice. + Mounts railroad car and set brakes and places blocks or chocks against wheels. + Stops motor traffic when train is crossing roads or highways. + Couples or uncouples cars by means of standard… more