What happened
Tower operators watched a dark shape carrying a light for 50 to 60 minutes as it flew at up to 330 knots, hovered and maneuvered. An F-94 sent up held it on its own radar for 90 seconds.
All cases / From orbit / Haneda
August 5, 1952, 11:30 p.m., into August 6
Haneda AFB, Tokyo, Japan
"a dark shape with a light"Shape words from the Project Blue Book summary
Tower operators watched a dark shape carrying a light for 50 to 60 minutes as it flew at up to 330 knots, hovered and maneuvered. An F-94 sent up held it on its own radar for 90 seconds.
F-94 pilots 1st Lt. W. R. Holder and 1st Lt. Jones, and Haneda control tower operators
No explanation has been found.
Filed by Project Blue Book as unidentified.