A pilot has died in an aircraft crash after takeoff from Las Vegas's Nellis Air Force Base. The identity of the pilot has not yet been released, according to Draken US, the Florida-based company contracted to provide adversary air support at the base. No additional personnel were on board. The aircraft, which was not immediately identified, took off at approximately 2:30 p.m. outside the southern edge of the facility, the base said on Twitter. Draken US noted that the National Transportation Safety Board is investigating the incident.