Fran,Check these BB docs out below. Oxnard is approximately 60 miles NW of Los Angeles.
It appears that objects seen in the air near Oxnard, Calif., are perhaps the same objects tracked by radar at Los Angeles Int. Airport.
Re: March 22, 1957; Long Beach-Los Angeles Airport, Ca. (BBU)
March 23 [22?], 1957; Oxnard AFB, Calif. (BBU)
11:15 p.m. (PST). Beaudoin and several independent witnesses saw maneuvering lights. (Hynek UFO Rpt pp. 53-54; FUFOR Index) 5 hrs 45 mins ?
March 22, 1957: Oxnard, California
UFO INVESTIGATOR JULY 1957
I am still looking at more BB docs for this Oxnard Case (60 pages)