On April 27 the solemn opening ceremony of "Joint Tendency - 2007" maneuvers will be held in the RA Defense Ministry's Military Aviation Institute after A. Hamperiants. Armenian Defense Minister Mikael Haroutyunyan and U.S. Charge d'affaires Anthony Godfrey will participate in the ceremony. Press Secretary of the RA Defense Minister colonel Seyran Shahsuvaryan told the PanARMENIAN.Net the aim of maneuvers that are being carried out by United States' European Headquarters in the framework of "Partnership for Peace" program, is to test and documentary prove cooperation of multinational strategic and tactic systems. Delegations from Croatia, France, Russia, Georgia and the United States will arrive in Armenia to participate in maneuvers.