The intent is this Work should be treated as if it is licensed under the license ("License") associated with the Work in the LICENSE.md file. However, because this Work is prepared by a United States Federal Government employee within the scope of their federal employment, it is not that simple.
The portions of this Work prepared by a United States Federal Government employee within the scope of their federal employment is excluded from copyright by Section 105 of the Copyright Act of 1976. Copyright and Related Rights in the Work worldwide are licensed under the License.
Contributions made by United States Federal Government employees are released under the License in countries where this Work can not be excluded from copyright. Contributions from contributors who are not United States Federal Government employees are released under the License in the United States and worldwide.