What happened
Two flat red squares flew with a wobble, climbed and leveled off over about 90 seconds.
All cases / Rectangles / Milton red squares
April 24, 1952, 2:30 p.m.
Milton, Massachusetts, USA
"flat squares"The witness's own shape words
Two flat red squares flew with a wobble, climbed and leveled off over about 90 seconds.
Three Air Force Cambridge Research Center electronics engineers, one named Buruish
Filed by Project Blue Book as unknown.