; (ii) it is vital to the national security of the United States to do so; (iii) Israel has no other means to achieve a mutual national security objective of destroying Iran’s underground nuclear infrastructure or facilities; and (iv) a dual key control system is in place requiring approval by the President, acting through the Secretary of Defense (which may not be further delegated) for deployment of the MOP or related munitions described in paragraph (1) prior to Israeli deployment of such munitions. (3) To provide for training of Israeli personnel with respect to the MOP or related munitions described in paragraph (1). (4) To conduct joint research and development with Israel to— (A) enhance United States ordnance; and (B) develop Israeli capability for ordnance to destroy underground infrastructure, including Hezbollah rocket storage and manufacturing facilities and underground Iranian nuclear facilities. 6. Rule of construction Nothing in this Act shall be construed to serve as an authorization for the use of military force against Iran. 7. Definitions In this Act: (1) Joint Comprehensive Plan of Action The term Joint Comprehensive Plan of Action means the Joint Comprehensive Plan of Action, agreed to at Vienna July 14, 2015, by Iran and by the People’s Republic of China, France, Germany, the Russian Federation, the United Kingdom and the United States, with the High Representative of the European Union for Foreign Affairs and Security Policy, and all implementing materials and agreements related to the Joint Comprehensive Plan of Action, and transmitted by the President to Congress on July 19, 2015, pursuant to section 135(a) of the Atomic Energy Act of 1954, as amended by the Iran Nuclear Agreement Review Act of 2015 ( Public Law 114–17