Misawa Air Force Base Japan unidentified aerial event — June 1950

They in H PH 1 TYPE OF Je GROUN SWIW of WATCH Ground NOMI Rose almost vertically about 1000 ten blank SD EMPTAK- UN UMMIT AMY) ACNE FORM 340 IONALS) 20. OBSERVED C *SHAPELESS OBJECT VF METALIC COLOR. ROSE 7 VERTICALLY TO ilD00 FEET SEEM TO CNANGE DIRECTION- L DISAPPEARED. SPINNING, NO SOUND COULD BE DETECTED DUE TO OIRO SPLED ESTIMATED 6:30 FPS WREN FIRST SIIIETEO TO SIN nt.