NATO Steadfast Noon Exercise And Nuclear Modernization in Europe

by Hans Christensen, published The Federation of American Scientists, October 17, 2022

Apparently they are preparing Europe to participate in a future nuclear war.   It is bizarre that these countries would set themselves up as targets in this way.  But, these innovations will actually give them control over the use of these nuclear bombs.  If you have read Dan Ellsberg’s book, you can picture how dangerous the dispersion of control among pentagon officials.  Now we are dealing with multiple countries that could at any point be governed by, well any …..one.   [jb]

Today, Monday October 17, 2022, the North Atlantic Treaty Organization (NATO) will begin a two-week long exercise in Europe to train aircrews in using U.S. non-strategic nuclear bombs. The exercise, known as Steadfast Noon, is centered at Kleine Brogel Air Base in Belgium, one of six airbases in Europe that store U.S. nuclear bombs. The exercise takes place midst significant modernizations at nuclear bases across Europe.

Steadfast Noon exercises are held once every year, but this year is unique because the exercise will take place during the largest conventional war in Europe since World War II with considerable tension and uncertainty resulting from Russia’s war in Ukraine. Moreover, Steadfast Noon is expected to more or less coincide with a large Russian strategic nuclear exercise. For NATO officials, other than Putin’s war in Ukraine, this is all routine. But for the public, it is but the latest development in rising tensions and unprecedented fears about nuclear war.

According to NATO, Steadfast Noon will involve 14 countries (less than half of the 30 NATO allies) and up to 60 aircraft. That involves fourth-generation F-16s and F-15Es as well as fifth-generation F-35A and F-22 fighter jets. A number of tankers and surveillance aircraft will also take part. Although the exercise is practicing NATO’s non-strategic nuclear forces, a couple of U.S. strategic B-52 bombers will also participate. Training flights will take place over Belgium and the United Kingdom as well as over the North Sea. There might also be flights over Germany and the Netherlands.

Practicing Nuclear Bomb Sharing

The Steadfast Noon exercise will practice a controversial arrangement known as nuclear sharing, under which the United States installs nuclear equipment on fighter jets of select non-nuclear NATO countries and train their pilots to carry out nuclear strike with U.S. nuclear bombs.

The arrangement is controversial because the United States as a party to the nuclear Non-Proliferation Treaty (NPT) has promised not to hand over nuclear weapons to other countries, and the non-nuclear countries in the sharing arrangement have promised not to receive nuclear weapons from the nuclear weapon states. In peacetime the nuclear weapons are under U.S. control, but the arrangement means that they would be handed over to the non-nuclear country in war time. The arrangement was in place before the NPT was signed so it is not a violation of the letter of the treaty. But it can be said to violate the spirit and has been an irritant for years.

Each of the WS3 vaults at European bases can hold up to four nuclear bombs. Here crews are practicing loading B61 bombs into a vault: two B61-3/4 bombs on the top rack and two B61-12 bombs on the lower rack. Image: U.S. Air Force, obtained by Joseph Trevithick (The Drive) under FOIA. Click on image to view full size.

If NATO was to conduct a nuclear mission in a conflict,” NATO says, “the B-61 [sic] weapons would be carried by certified Allied aircraft…However, a nuclear mission can only be undertaken after explicit political approval is given by NATO’s Nuclear Planning Group (NPG) and authorisation is received from the US President and UK Prime Minister.” It is unclear why the U.K. Prime Minister would have to authorize employment of U.S. nuclear weapons, and unless NATO territory had been attacked with nuclear weapons first, it seems unlikely that the 29 countries in the NPG would be able to agree to approve of employment of non-strategic nuclear weapons from bases in Europe.

NATO disclosed earlier this year that seven NATO countries contribute dual-capable aircraft to the nuclear sharing mission. The countries were not identified but five are widely known: Belgium, Germany, Italy, Netherlands, and the United States. The sixth country is probably Turkey (despite rumors that it was no longer part of the mission), in which case some Turkish F-16s are still equipped to deliver B61 bombs. The seventh country was a mystery, but it turns out it is Greece. Although Greece no longer stores nuclear weapons (they were withdrawn in 2001) and doesn’t have a committed fighter unit, it has a reserve units and a contingency mission. Like other allies (except France), Greece is fully involved in the NPG.

Nuclear Base Modernizations

During the past several years, the nuclear bases and the infrastructure that support the nuclear sharing mission in Europe have been undergoing significant upgrades, including cables, command and control systems, weapons maintenance and custodial facilities, security perimeters, and runway and tarmac areas.

There are currently six active sites in Europe that store U.S. nuclear bombs: Kleine Brogel air base in Belgium, Büchel air base in Germany, Aviano and Ghedi air bases in Italy, Volkel air base in the Netherlands, and possibly Incirlik in Turkey. The estimated number of weapons at each site is based on the number of active vaults, aircraft, and other information:

Click Image to Enlarge

Each of these bases have one or two dozen active vaults (Weapons Storage Security System, WS3) inside as many protective aircraft shelters. Ramstein air base in Germany used to be the largest storage site in Europe but only 7 vaults remain active possibly for training and transfer. All weapons were withdrawn from Lakenheath before 2007 but the United Kingdom was recently added to the nuclear infrastructure storage modernization program, which means there are now eight active WS3 sites in Europe:

Click on table to view full size.

The modernizations at the various bases vary depending on capacity, location, and host country. At Kleine Brogel Air Base in Belgium, the host base for the Steadfast Noon exercise this year, the 701st Munition Support Squadron quarters have been significantly expanded with a drive-through facility for nuclear weapons maintenance trucks. Other construction includes a major facility inside the aircraft tarmac perimeter area, a new control tower, and upgrades of underground cables and the Alarm Communication & Display (AC&D) system.

At Büchel Air Base in Germany, construction is underway on the runway. During construction, the Tornados of the 33rd Fighter Wing will be temporarily based at Norvenich Air Base. However, the 10-15 B61 nuclear bombs will remain in the vaults at Büchel. Other recent updates at the base have included underground cables and the Alarm Communication & Display (AC&D) system.

In 2020, as part of a series of visits to bases involved in the nuclear sharing mission, U.S. Air Force Maj. Gen. Derek C. France, the director of operations, strategic deterrence, and integration for U.S. Air Forces in Europe – Air Forces Africa Headquarters director of operations, strategic deterrence, and integration, visited Büchel Air Base where he received a tour and explanation of a protective aircraft shelter. A picture of the tour shows the vault open and a B61 nuclear bomb shape inside.

At Volkel Air Base in the Netherlands, the most visible modernization currently underway is a major new tarmac area. The construction includes security perimeters probably intended to protect the C-17 aircraft that transport weapons and components to and from the base. Other recent construction the base has included burying underground cables and upgrading the Alarm Communication & Display (AC&D) system used for the WS3 vaults.

Ghedi Air Base in Italy is undergoing a dramatic upgrade that includes a new tarmac and shelter area for the new F-35A fighter jets that will replace the Tornado jets in the nuclear sharing mission. Work is also underway on what appears to be a drive-through facility for weapons maintenance trucks in the 704th MUNSS area. And a new high-security perimeter has been erected around eight vaults, possibly those of the 11 that are active. This perimeter is similar to perimeters that were constructed at Aviano and Incirlik air bases in 2014-2015. Finally, Ghedi also has received an upgrade of underground cables and the Alarm Communication & Display (AC&D) system used for the WS3 vaults.

Click on image to view full size. Image: Google Earth.

Upgrades of Aviano Air Base in Italy and Incirlik Air Base in Turkey happened around 2015 are described in this article: Upgrades At US Nuclear Bases In Europe Acknowledge Security Risk. Since then, installation of new cables between the nuclear vaults at Incirlik Air Base is visible on satellite images:

Weapons Modernization

In addition to modernization of bases and support facilities, delivery systems and weapons are also being upgraded. Five of the seven countries that contribute dual-capable aircraft to the nuclear sharing mission are upgrading to the F-35A fifth-generation fighter-bomber: Belgium, Germany, Italy, the Netherlands, and the United States. Turkey was scheduled to upgrade to F-35A but lost the contract after it purchased the Russian S-400 system.

Finally, the existing B61 nuclear bombs will soon be replaced by the enhanced B61-12 guided nuclear bomb. Development is essentially complete and full-scale production of about 480 B61-12s is expected to begin soon. The new weapon is thought to have the same yield range as the current B61-4: 0.3, 1.5, 10 and 50 kilotons. Training of the units in Europe to receive the new weapon is scheduled to begin in early-2023 and the first weapons potentially arriving at the first base in late-2023 or 2024.

In addition to the non-strategic fighter jets F-15E, F-16, F-35A, and Tornado, the B61-12 will also be integrated on the B-2 and B-21 strategic bombers. Because of the increased accuracy provided by the tail kit, all the digital aircraft that can make use of it (all except F-16 and Tornado) will be able to hold at risk a wide range of targets. The combination of increased accuracy and lower-yield options on non-strategic and strategic stealth aircraft will significantly increase the capability of the gravity bomb mission.

*Featured Image: An F-35A test-drops a B61-12 guided nuclear bomb. The enhanced weapon will be compatible with both fighter jets and strategic bombers and begin replacing older B61 versions in Europe from 2023. Image: U.S. Air Force.


This publication was made possible by generous contributions from the John D. and Catherine T. MacArthur Foundation, the New-Land Foundation, the Ploughshares Fund, the Prospect Hill Foundation, the FTX Future Fund and Longview Philanthropy, the Stewart R. Mott Foundation, the Future of Life Institute, Open Philanthropy, and individual donors. The statements made and views expressed are solely the responsibility of the author.

Categories: B-2, B-21, NATO, Nuclear Weapons, United Kingdom, United States
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