Choose from options: Determine if the sentence is true based on the text below:
It is a ground to air missle

The R-33 (Russian: -33 , NATO reporting name: AA-9 Amos) is a long-range air-to-air missile developed by the Vympel. It is the primary armament of the MiG-31 interceptor, intended to attack large high-speed targets such as the SR-71 Blackbird, the B-1 Lancer bomber, and the B-52 Stratofortress.
Choose from:
a). Yes;
b). It's impossible to say;
c). No;
c).