A Review Conference of the NPT was held by all treaty signatories in April and May 2000. In the review Review Conference Final Document, all of the parties (including the U.S.) agreed to "the following practical steps for the systematic and progressive efforts to implement Article VI of the Treaty on the NonProliferation of Nuclear Weapons................. An unequivocal undertaking by the nuclear weapons States to accomplish the total elimination of their nuclear arsenals leading to nuclear disarmament to which all States parties are committed under Article VI." But, as explained above, through DOE's Stockpile Stewardship Program the U.S. is acting in an entirely contrary fashion.