This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of 17 U.S.C. § 105. See Copyright.
Note: This only applies to works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, subdivision, or municipality.