Combat Arms range dangerous when red flag is raised Published Feb. 1, 2019 By 55th Security Forces Squadron Combat Arms 55th Wing Public Affairs OFFUTT AIR FORCE BASE, Neb. -- The Offutt Air Force Base small arms firing range is located in building 563 on Butler Blvd. For your safety, if the red streamer is displayed or a rotating red beacon is flashing, do not enter the facility or fenced in area unless escorted by Combat Arms personnel. Also, the fence line around the firing range has been posted with warning signs. As a reminder, trespassing is not only illegal but also dangerous because of gunfire. This is an annual notice. If there is a valid need for entry contact the Law Enforcement Desk at 402-294-4245.