Measure 11 is 5-S Sea Blue. If they had wanted a different formula used, it would be specified. None of the documentation I've seen ever mentioned an A, B, or C.
Now, one thing that did happen (and is in line with my statement is that both the Atlantic and Pacific fleets used Measure 11 (Pacific) and 12 (Atlantic) but modified it by substituting 5-N Navy Blue for the original 5-S Sea Blue. In the case of Measure 11 with 5-N, this is effectively Measure 21 before it was Measure 21.
Atlantic Fleet - Low Visibility Painting of all Ships slated to Join the Atlantic Fleet - December 13, 1941Quote:
Surface ships (except hospital ships and CONSTELLATION) -measure 12, using Navy Blue, 5-N paint, in lieu of Sea Blue, 5-S paint.
Pacific Fleet - Painting of Ships - December 16, 1941.Quote:
Surface ships, less carriers - Measure 11 except that "Navy Blue", formula 5-N will be used in place of "Sea Blue", formula 5-S.
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Tracy White -
Researcher@Large"Let the evidence guide the research. Do not have a preconceived agenda which will only distort the result."
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Barbara Tuchman