Blue Book Unknown (Sparks)
April 30, 1952. Moriarty AFS, New Mexico (35° 1'50" N, 105°49' 0" W). 7:40 and 7:46 a.m. (MST). CPS-5 radar tracking of 4,000 mph first target at 230° azimuth (about SW) at 149 miles range moving 11 miles per 10-sec sweep
for 4 sweeps heading into the radar site. 2nd track at 7:46 a.m. of 4,000 mph target at 280° azimuth (about W) at 140 miles moving 11 miles per 10-sec sweep for 6 sweeps [toward the radar] until disappearing at about 70 miles range. (McDonald files; Jan Aldrich; FUFOR 30-40 secs, then 60 seconds)
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