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Nuclear Proliferation and Arms Control (Part 4). Arms Control vs. Disarmament. Arms control : Any attempt to limit or regulate the number or the types of weapons that nations can possess. Disarmament : Actions that reduce the existing number of weapons

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arms control vs disarmament
Arms Control vs. Disarmament
  • Arms control :

Any attempt to limit or

regulate the number or

the types of weapons that

nations can possess.

  • Disarmament:

Actions that reduce the

existing number of weapons

or that ban certain types of


bilateral disarmament u s russian arms control
Bilateral Disarmament(U.S. – Russian Arms Control)

CFR Interactive: U.S. - Russian Arms Control

strategic nuclear weapons
Strategic Nuclear Weapons
  • Long-range weapons usually

with destructive power over

one megaton.

  • Carried on ICBMs, bombers,

and submarines

bilateral disarmament start i and ii treaties 1990s
Bilateral DisarmamentSTART I and II Treaties (1990s)

(Strategic Arms Reduction


  • First agreements to reduce

strategic nuclear weapons.

  • Also eliminated all multi-

warhead missiles (like the




bilateral disarmament moscow treaty 20021
Bilateral DisarmamentMoscow Treaty (2002)

(Strategic Offensive Reductions


  • U.S. and Russia agreed to reduce

their deployed strategic warheads

by two thirds - to between 1,700

and 2,200by the end of 2012.

  • Didn’t require the destruction of

any weapons -- allowed warheads

to be put in storage instead.

bilateral disarmament new start treaty 2010
Bilateral DisarmamentNew Start Treaty, 2010
  • Obama and Russian

President Medvedev

signed New Start Treaty

in April, 2010.

CNN Coverage of Treaty


New Start Treaty

Signing Ceremony

CNN Explanation of Treaty

bilateral disarmament provisions of new start treaty
Bilateral DisarmamentProvisions of New Start Treaty
  • Limits U.S. and Russia to

1,550 strategic warheads

(30% reduction from the

current limits).

  • Limits launchers to 800

sub-based missiles, heavy

bombers, and ICBMs (50%

reduction from current


  • Provides for inspections to

verify compliance.

senate debate over new start ratification
Senate Debate Over New Start Ratification

Anti- New Start Treaty Commercial

PRO New Start

Interview with H. Clinton and M.Mullin

december 2010 ratification of new start
December, 2010Ratification of New Start
  • Senate voted 71-26 to ratify

New Start Treaty.

  • Every Democrat and thirteen

Republicans voted to ratify.

The 26 no votes were all from


Report on Ratification of New Start Treaty


B53 Thermonuclear Bomb

  • Designed to destroy a city
  • 9 megatons
  • 10,000 lbs. Size of minivan
  • 600 x more powerful than
  • Hiroshima A-bomb.
  • Would kill everyone within
  • 10 miles.
  • Would destroy structures
  • within 15 miles.
  • Lethal burns from heat to
  • exposed people within 30
  • miles
  • 340 built during Cold War.

Remaining U.S. H-Bombs

  • Largest remaining bomb in
  • U.S. arsenal is B-83
  • 1.2 megatons.
  • 80x more powerful than
  • Hiroshima bomb.
  • Average U.S. warhead today
  • 300 kilotons
  • 24x more powerful than
  • Hiroshima bomb.

B-83 Thermonuclear Bombs

tactical nuclear weapons
Tactical Nuclear Weapons
  • Short-range weapons designed

for use on the battlefield.

  • Destructive power ranges from

0.1 kiloton to 1.0 megatons.

  • Restrictions on tactical nukes?

None. Not covered by any existing

arms control treaties.

review bilateral disarmament
Review: Bilateral Disarmament
  • What’s the difference between arms control and disarmament?
  • What are strategic nuclear weapons?
  • Why were the START treaties of the 1990s significant?
  • What are the requirements of the 2010 New Start Treaty?
  • Has the U.S. Senate ratified New Start?
  • What are tactical nuclear weapons?
  • What are the existing limitations on tactical nuclear weapons?
abm treaty 1972
ABM Treaty (1972)

(Anti-Ballistic Missile Treaty)

  • Prohibited U.S. and USSR

from building national

missile defense systems.


  • Goal was to maintain


  • Bush withdrew U.S. from

ABM Treaty in 2001.

bush s missile defense plan
Bush’s Missile Defense Plan
  • A limited missile defense

system to defend U.S. and

Europe against missiles

launched by states such as

North Korea or Iran.

  • Interceptor missiles

based in Alaska, California,

ships at sea, and Poland.

  • Interceptors programmed

to hit and destroy incoming

missiles in mid-flight.


What two


about missile

defense are

expressed in

this political








does this




Does this





review missile defense
Review: Missile Defense
  • What Cold War treaty prohibited missile defense?
  • Why was missile defense considered to be dangerous?
  • Why did President Bush withdraw the U.S.

from the ABM Treaty?

  • Explain how the missile defense system deployed by Bush is designed to work.