U.S. Air Force Flying Discs File, 1952

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sufficiently to permit determination of the angular velocity of objects which cross the field of view? (Reference particularly the single object which crosses field; photographer states that camera was held motionless while object crossed field of view.)

j. Determine patterns of flight from position plots for each frame, then:

(1) Is there any recurring pattern in the relative position of the objects?

(2) Do they maintain same relative positions in formation during any maneuvers, particularly violent maneuvers?

(3) Is relative position maintained coincidental with movement about their axes?

(4) If undulating motion is present among a number of objects which are maintaining a semblance of formation, do those objects undulate in phase? Ditto for tumbling motion?

(5) Is there any indication of abrupt changes in direction of flight path through fairly large angles (e.g. 90° or more during interval of 2 or 3 frames)?

(6) Do any objects appear to remain motionless at the same time that others move about?

(7) Can all objects be accounted for at all times or do some literally disappear while still well within field of view?

6. Although CPO Newhouse did not request that the film be returned to him, it is recommended that the final footage (of the mountain scenery) be returned to him immediately and that he be asked if he is willing to accept a duplicate of the initial footage in lieu of the original. If his reply is affirmative, suggest the duplicate be forwarded whenever available.

7. Request advice of the analytical results as soon as available.

2 Incls: (w/orig only)

1. Cy of ltr fr CPO Newhouse, dtd 11 Aug 52

2. Roll of exposed 16mm film.

WILLIAM A. ADAMS

Colonel, USAF
Chief, Topical Division

Deputy Director for Estimates
Directorate of Intelligence

COORDINATION:

AFOIN-2A2

AFOIN-2

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