Gulfstream HALO I Air Refuelers The aircraft can be used

The aircraft can be used as a tactical transport

It entered airline service in June 1948 and was popular with airlines serving smaller cities where traffic did not support a larger aircraft

lower basic but increased max takeoff weights

This patch came into use in 1951

When the Prototype flew for the first time on September 15

Gulfstream HALO I Air Refuelers The aircraft can be usedHALO Gulfstream airplane model. The High ALtitude Observatory (HALO), is an instrumented Gulfstream IIb twin engine jet aircraft maintained by the United States Army Space and Strategic Defense Command as an optical data collection platform. Capable of operating above 50,000 feet, the HALO's diverse and flexible sensor suite has provided infrared, optical and ultraviolet data on numerous SDIO, NASA and DOD test programs. The HALO contains three