[Capt. William H. Ryherd]
July 29, 1947 — Hamilton Army Airfield, CA
2:50 p.m. Assistant Base Operations Officer Capt. William H. Ryherd and ex-AAF B-29 pilot 1Lt Ward Stewart see two round, shiny, white objects near Hamilton Army Airfield [now closed] in Novato, California. The objects are 15–25 feet in diameter and are flying at about 750 mph at an altitude of 6,000–10,000 feet heading south. One object flies straight and level; the other weaves from side-to-side like an escort fighter. [Eberhart]
Incident 52:
Incident 52A:
Memo, August 5, 1947;
Memo, September 9, 1947;
Sources:
Ted Bloecher, Report on The UFO Wave of 1947, Case 852, p. III-5;
Brad Sparks, Blue Books Unknowns Catalogue, Case 42, p. 25;
