Robert S. Norris

Robert S. Norris

Robert S. Norris

Articles by Robert S. Norris

3 September 2017
Nuclear notebook

The authors estimate that as of mid-2017, there are nearly 15,000 nuclear weapons in the world, located at some 107 sites in 14 countries. Roughly, 9400 of these weapons are in military arsenals; the remaining weapons are retired and awaiting dismantlement.

4 July 2017
Asia
Nuclear notebook

India continues to modernize its nuclear arsenal, with at least four new weapon systems now under development to complement or replace existing nuclear-capable aircraft, land-based delivery systems, and sea-based systems.

4 March 2017
Nuclear notebook

Russia is in the middle of a broad modernization of its strategic and nonstrategic nuclear forces, including both new programs and some that have been underway for many years.

2 January 2017
Nuclear notebook

The US nuclear arsenal remained roughly unchanged in the last year, with the Defense Department maintaining an estimated stockpile of some 4,480 warheads to be delivered via ballistic missiles and aircraft.

1 November 2016
Nuclear notebook

Pakistan has a nuclear weapons stockpile of 130–140 warheads and appears to have plans to increase its arsenal further.

3 July 2016
Nuclear notebook

The modernization of China’s land-based nuclear-capable missile force has progressed significantly over the past year, with Beijing fielding a new version of an existing nuclear missile and a new dual-capable missile. The country has also reorganized its nuclear missile command structure.

3 May 2016
Nuclear notebook

Russia is in the middle of a broad modernization of its strategic and nonstrategic nuclear forces, including some new developments.

3 March 2016
Nuclear notebook

The US nuclear arsenal remained roughly unchanged in the last year, with the Defense Department maintaining an estimated stockpile of some 4,670 warheads to be delivered via ballistic missiles and aircraft. Most of these warheads are not deployed but stored, and many are destined to be retired.

2 January 2016
Nuclear notebook

Newly declassified documents from the US Defense Department show how many nuclear weapons the United States deployed at sea between 1953 and 1991.

1 November 2015
Nuclear notebook

Pakistan has a nuclear weapons stockpile of 110 to 130 warheads, an increase from an estimated 90 to 110 warheads in 2011.

Pages