Lockheed M=12 Hypersonic SCRAMJET

[nugo]

This figure of proposal: Lockheed Model CL-?

 

[antigravite]

Any idea (year, month) when this ad was published?

 

[flateric]

from Lockheed Horizons Issue 4 (first quarter of 1966)

 

[hesham]

From AW 1965.