5:00-7:30 p.m., Robert Einhorn, Brookings Institution; Karim Sadjadpour, Carnegie Endowment; Bret Stephens, Wall Street Journal; and Reuel Gerecht, Foundation for Defense of Democracies, "Iran Nuclear Deal: Breakthrough or Failure?" Sponsored by the McCain Institute. At George Washington University, Jack Morton Auditorium, 805 21st St., NW, Washington. RSVP online.
10:00 a.m., House Appropriations Subcommittee on Defense, hearing on the Defense Department budget, with Defense Secretary Chuck Hagel, Joint Chiefs Chairman Gen. Martin Dempsey and Undersecretary of Defense (Comptroller) Robert Hale. 2359 Rayburn House Office Building, Washington. Webcast on the committee website.
10:30 a.m., Senate Appropriations Subcommittee on State and Foreign Operations, hearing on the State Department budget, with Secretary of State John Kerry. 226 Dirksen Senate Office Building, Washington. Webcast on the committee website.
Defense Department provides Congress an annual briefing on nuclear weapons employment strategy, plans and options of the United States (10 U.S. Code Sec. 491).
House and Senate recess.
Iranian Foreign Minister Javad Zarif, European Union foreign policy chief Catherine Ashton, and representatives from China, France, Germany, Russia, United Kingdom and United States resume negotiations on a permanent nuclear agreement. Vienna.
Senate floor votes on the nominations of Lt. Gen. Frank Klotz (retired) to be Administrator for the National Nuclear Security Administration, Madelyn Creedon to be Principal Deputy Administrator for the National Nuclear Security Administration, Frank Rose to be Assistant Secretary of State for Verification and Compliance, Puneet Talwar to be an Assistant Secretary of State for Political Military Affairs and Adam Scheinman to be Special Representative for Nuclear Nonproliferation (possible).
Time TBA, House Armed Services Subcommittee on Strategic Forces, hearing on governance options for the National Nuclear Security Administration, with the two co-chairman of the congressional commission on the topic, Norm Augustine and Richard Mies. Room TBA, Rayburn House Office Building, Washington. Webcast on the committee website.
Congressional Advisory Panel on the Governance of the Nuclear Security Enterprise submits an interim report to Congress (Public Law 112-239, Sec. 3166).
President Obama meets with Pope Francis. Vatican City.
4:00-8:00 p.m., Angela Kane, U.N. High Representative for Disarmament Affairs; Hans Corell, former U.N. legal counsel; Roger Clark, Rutgers University; and Elizabeth Shafer, Lawyers Committee on Nuclear Policy, "Law’s Imperative: A World Free of Nuclear Weapons." Sponsored by Lawyers Committee on Nuclear Policy. At Downtown Community Television Center, Landmark Firehouse, 87 Lafayette St., New York. Register online.
Fourth anniversary of the signing of the New START nuclear arms reduction treaty by President Obama and Russian President Dmitry Medvedev. Prague. The treaty reduces the maximum number of deployed strategic nuclear weapons by the United States and Russia from 2,200 to 1,550 each.
House and Senate spring recess. (Senate recess begins April 12.)
Director of National Intelligence submits to Congress an annual report on Iran's capability to produce nuclear weapons (50 U.S. Code Sec. 2367 note).
Passover begins at sunset. Through April 22.
Week of April 14 or 21
National Nuclear Security Administration submits to Congress a biannual summary of the plan for stewardship, management and certification of warheads in the nuclear weapons stockpile (50 U.S. Code Sec. 2523) (estimate).
National Nuclear Security Administration (NNSA) "Red Team" reviewing the Uranium Processing Facility at Y-12, Oak Ridge, TN, reports to the NNSA administrator.
7:00 a.m., Ecumenical Peace Institute, interfaith prayer service, "In the Name of God…Stop the Killing." Lawrence Livermore National Laboratory, S. Vasco and Patterson Pass Rds., Livermore, CA.
Week of April 21
President Obama visits Japan and South Korea (estimate). North Korea's nuclear program is on the agenda.
Week of April 28
House Armed Services Subcommittee on Strategic Forces, markup of its portion of the defense authorization bill, which includes the nuclear weapons programs of the National Nuclear Security Administration (estimate). Room TBA, Rayburn House Office Building, Washington. Webcast on the committee website.
Defense Secretary Chuck Hagel meets with Chinese officials. Beijing.
April or May
Russia flight tests the new RS-26 "Rubezh" ICBM (possible). Kapustin Yar Missile Test Range, Russia.
Week of May 5
House Armed Services Committee, markup of the defense authorization bill, which includes the nuclear weapons programs of the National Nuclear Security Administration (estimate). 2118 Rayburn House Office Building, Washington. Webcast on the committee website.
Alliance for Nuclear Accountability, "DC Days." Washington. Register online.
Week of May 19
House of Representatives floor action on the defense authorization bill which includes the nuclear weapons programs of the National Nuclear Security Administration (estimate). Broadcast and webcast on C-SPAN.
Director of National Intelligence submits to Congress a biennial report on nuclear aspirations of non-state entities and nuclear weapons in countries not party to the nuclear Non-proliferation Treaty (50 U.S. Code Sec. 2371).
President Obama attends a NATO summit. Newport, Wales, United Kingdom.
Federal agencies submit their initial budgets to the Office of Management and Budget for fiscal year 2016 (estimate). Final budgets will be submitted to Congress on Feb. 2.