WASHINGTON — Five years after the first countries signed the Artemis Accords, a growing group of nations continues to work on how to implement the guidelines contained in the document.

Oct. 13 marked the fifth anniversary of a signing ceremony where the United States and seven other countries — Australia, Canada, Italy, Japan, Luxembourg, the United Arab Emirates and the United Kingdom — became the first to sign the Accords, which outline norms of behavior for space exploration.

The anniversary passed with little fanfare, in part because the ongoing U.S. government shutdown, now more than two weeks long, has kept NASA from issuing press releases or other public statements on most topics.

NASA Acting Administrator Sean Duffy did note the anniversary in a social media post . “Together

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