Israel and a description of potential attacks against Israel which would justify exceeding the annual amount of United States assistance to support Israel’s missile defense programs under the 2016 Memorandum of Understanding Between the United States and Israel. (e) Authorization of appropriations (1) In general There is authorized to be appropriated to the President such sums as may be necessary to carry out this section. (2) Replenishment If amounts made available for the Missile Defense Agency are used to carry out this section for a fiscal year, the President shall replenish such amounts for the Missile Defense Agency for the subsequent fiscal year from amounts made available pursuant to the authorization of appropriations under paragraph (1) for such subsequent fiscal year.