This post may be updated.Tensions between the United States and Russia continued this week with Moscow calling the U.S.\u0026#039;s newly activated missile defense site in Romania a \u0022direct threat\u0022 to security and part of \u0022the start of a new arms race.\u0022U.S. Deputy Defense Secretary Bob Work said Thursday its inauguration that the Aegis Ashore ballistic missile defense site, located at a former air base in southern Romania, was aimed at countering threats from Iran and not Russia, while NATO Secretary General Jens Stoltenberg also said they were not directed at Russia, and called it an \u0022important day for NATO and for trans-Atlantic security.\u0022 In addition, Reuters reports,\u0026nbsp;On Friday, the United States will break ground on a final site in Poland due to be ready by late 2018, completing the defense line first proposed almost a decade ago.The full shield also includes ships and radars across Europe. It will be handed over to NATO in July, with command and control run from a U.S. air base in Germany.Russian President Vladimir Putin, for his part, said in televised remarks, \u0022Now that these anti-missile elements have been installed, we will be forced to consider putting an end to the threats emerging in relation to Russia\u0026#039;s security.\u0022 Agence France-Presse adds:Referring also to the placing of the Aegis missile defense system on warships in the Mediterranean, Putin said: \u0022All of these are additional steps towards destabilizing the international security system and the start of a new arms race.\u0022Russian Foreign Ministry spokeswoman Maria Zakharova added, \u0022We still view the destructive actions of the United States and its allies in the area of missile defense as a direct threat to global and regional security.\u0022Also countering U.S. claims was Adm. Vladimir Komoyedov, chairman of the State Duma\u0026#039;s defense committee, who said, \u0022This is not about Iran, but about Russia with its nuclear capabilities.\u0022\u0022This is a direct threat to us,\u0022 he added. \u0022This is not just 100 — it\u0026#039;s 200, 300, 1,000 percent aimed against us.\u0022Zakharova further accused the Us. of violating the Intermediate-Range Nuclear Forces Treaty, signed by Mikhail Gorbachev and Ronald Reagan in 1987, with the Romanian site.“We have to announce this openly, without any additional diplomatic formulations,” she said.