18 ARTICLE IV Protection and Defense 1. The United States of America and the Republic of Panama commit themselves to protect and defend the Panama Canal. Each Party shall act, in accordance with its constitutional processes, -to meet the danger resulting from an armed attack or other actions which threaten the security of the Panama Canal or of ships transiting it. 2. For the duration of this Treaty, the United States of America shall have primary responsibility to protect and defend the Canal. The rights of the United States of America to station, train, and move military forces within the Republic of Panama are described in the Agreement in Implementation of this Ar ticle, signed this date.[1l The use of areas and installations and the legal status of the armed forces of the United States of America in the Republic of Panama shall be governed by the aforesaid Agreement. 3. In order to facilitate the participation and cooperation of the armed forces of both Parties in the protection and defense of the Canal, the United States of. America and the Republic of Panama shall establish a Combined Board comprised of an equal number of senior military representatives of each Party. These representatives shall be charged by their respective governments with consulting and cooperating on all matters pertaining to the protection and defense of the Canal, 'TIAS 10032; 33 UST. TIAS 10030