This movie clip runs about 27 seconds and shows the cockpit canopy close-out by the ground crew, the aircraft hanging from the NB-52B wing pylon, and the M2-F2 being dropped away from the mothership.
NASA Dryden Flight Research Center
<a rel="nofollow" class="external free" href="https://www.dfrc.nasa.gov/Gallery/Movie/M2-F2/HTML/EM-0021-01.html">https://www.dfrc.nasa.gov/Gallery/Movie/M2-F2/HTML/EM-0021-01.html</a>