The North American Trainer Association (NATA) is an independent,
non-profit corporation dedicated to the restoration and safe flying
of North American Trainers such as the AT-6/SNJ/Harvard, NA-64,
NA-50, TB-25, TF-51, AND T-28 aircraft.
To drop something from an aircraft or space craft in flight.
Supplemental fuel tanks, also called "drop tanks", can be
jettisoned from military aircraft prior to entering combat in order
to lower drag, decrease weight and improve maneuverability.