A secret cable citing the text of in a December 24, 2008, letter from U.S. Deputy Secretary of State John Negroponte to the Armenian president expressed concern about the reported sale of weapons to Iran, stating "Notwithstanding the close relationship between our countries, neither the Administration nor the U.S. Congress can overlook this case."

According to Wikileaks website, which made public over more than 250,000 U.S diplomatic cables, the letter went on to note that there would be consideration "whether there is a basis for the imposition of U.S. sanctions."