Neptune Aviation, a Missoula-based aerial firefighting company that operates large air tankers nationwide, will upgrade its fleet of jets in the coming years to the Airbus A319, the company ...

None of the U.S. Air Force’s existing tanker aircraft were capable of holding ... With a top speed of Mach 3, a service ceiling of 85,000 feet, and an 11,820-foot-per-minute rate of climb ...