National Security Presidential Directive 66, Homeland Security Presidential Directive 25: Arctic Region Policy [open pdf - 28KB]
Alternate Title: NSPD 66, HSPD 25: Arctic Region Policy
"This directive establishes the policy of the United States with respect to the Arctic region and directs related implementation actions. This directive supersedes Presidential Decision Directive/NSC-26 (PDD-26; issued 1994) with respect to Arctic policy but not Antarctic policy; PDD-26 remains in effect for Antarctic policy only. […] This directive shall be implemented in a manner consistent with the Constitution and laws of the United States, with the obligations of the United States under the treaties and other international agreements to which the United States is a party, and with customary international law as recognized by the United States, including with respect to the law of the sea."
NSPD 66; National Security Presidential Directive 66
White House: http://www.whitehouse.gov