6 trative forum, including the courts of the Marshall Islands and the courts of the United States and its political subdivisions. - Section 2 The Government of the Marshall Islands shall terminate any legal proceedings in the courts of the Marshall Islands against the Government of the United States its agents, employees, contractors and citizens and nationals, involving claims of the Government of the Marshall Islands, its citizens and nationals, arising out of the nuclear testing program and shall nullify all attachments or any judgments attained relating to such proceedings. Article x Subject to Article XIII, in consideration for the payment of the amounts set forth in the Agreement, the Government of the Marshall Islands, on behalf of itself and its citizens and Nationals, shall indemnify and hold harmless the United States, its agents, employees, contractors and citizens and nationals, all claims set forth in Article IX of this Agreement, and all actions or proceedings which may hereafter be asserted or brought by or on behalf of the Government of the Marshall Islands, its citizens and nationals, in any court on other judicial forum based on, arising out of or in anyway related to the nuclear testing program. Article XI Upon approval of this Agreement by the Congress of the United States, all claims described in Article IX and X of this Agreement shall be terminated, and no court of the United States shall have jurisdiction to entertain such claims. Any pending claims pending in the courts of the United States shall be dismissed forthwith. Article XII Section 1] This Agreement shall come into effect simultaneously with the Compact and in accordance with the procedures set forth in Section: 411 of the Compact. Section 2 Those provisions of this Agreement may be amended at any time by mutual consent of the Government of the Marshall Islands and the Government of the United States.