
Photograph showing several dark objects and a fingerprint-like pattern.
Related photos

Photograph· p.30· Air Materiel Command (AMC)
A compass rose diagram showing the reported directions of flight for UFO sightings, with counts for each direction and a summary of non-directional reports.

Photograph· p.31· Air Materiel Command (AMC)
Photograph of a dark, teardrop-shaped object against a light background.

Photograph· p.34· Air Materiel Command (AMC)
Enlarged photograph of a dark, teardrop-shaped object, labeled Exhibit 'A'.

Photograph· p.35· Air Materiel Command (AMC)
Photograph of a delta-wing or flying-wing aircraft on the ground.

Photograph· p.36· Air Materiel Command (AMC)
Chance Vought XF5U-1

Photograph· p.37· Air Materiel Command (AMC)
Fig. 5. Kitchen's doughnut of 1911.

Photograph· p.40· Air Materiel Command (AMC)
Fig. 11. Willoughby's "Delta 8" experimental monoplane of 1938.

Photograph· p.40· Air Materiel Command (AMC)
Fig. 12. Experimental Hayden glider, 1925. Span, 19.7 ft.; length, 13-85 ft.; wing area, 173 sq. ft. All-up, weight, 310 lb. No lateral control.