The United States rejects North Korea's offer to suspend nuclear tests. 

The United States updates its four E-4B flying command posts that would be used by its leaders to manage military operations in a nuclear war. 

Judge Jeffrey White hears oral arguments in the lawsuit filed by the Marshall Islands against the United States in US Federal District Court. 

Russia informs the United States that it will no longer be seeking the United States’ help in securing Russia’s massive weapons-grade uranium stockpile. 

The United States prepares to develop and build a new generation of Intercontinental Ballistic Missiles (ICBMs) for the Air Force. 

A prescribed burn for restoring overgrown forests and grasslands at the Rocky Flats National Wildlife Refuge is canceled due to concerns regarding plutonium in the soil left over from a former bomb factory in the area, which could potentially be carried into residential areas through smoke. 

The Fijian government compensates the remaining survivors of British nuclear tests done on Christmas Island in 1957-58. 

At the third annual summit of the Community of Latin American and Caribbean States, all 33 heads of state restate their commitment to a world without nuclear weapons.

The Marshall Islands lawsuit is dismissed by the US Federal District Court for the Northern District of California. 

The Obama administration requests a 10.5% increase, to $8.85 billion, in the Fiscal Year 2016 budget request for the nuclear weapons programs of the National Nuclear Security Administration (NNSA).

Robert Alvarez of the Bulletin of the Atomic Scientists calculates that the United States is now paying 500% more per nuclear warhead, on average, than it did in 1985.

Tony de Brum, Foreign Minister of the Marshall Islands, delivers a speech to the Nitijela (parliament) about the Nuclear Zero lawsuits.

47 Republican Senators sent a letter to Iran’s leadership in an attempt to undermine negotiations over Iran’s nuclear program. 

Japan, Norway, and other allies of the United States reject the Austrian Pledge, which calls for greater measures in pursuit of disarmament.

Russia conducts a series of tests for new ICBMs. 

The Russian ambassador to Denmark threatens that Russia will aim nuclear missiles at Danishwarships if Denmark joins NATO's missile defense system.

The United States tests Minuteman III ICBM at Vandenberg Air Force Base.

The United States tests another Minuteman III ICBM at Vandenberg Air Force Base. 

The Marshall Islands formally files its Notice of Appeal to the Ninth Circuit Court of Appeals in the Nuclear Zero lawsuit. 

The Marshall Islands files its court-ordered Mediation Questionnaire in the Ninth Circuit Court of Appeals. 

The 2015 Non-Proliferation Treaty (NPT) Review Conference begins at the United Nations in New York.

Nordea Asset Management, the largest financial services group in Northern Europe, blacklists Boeing because of its alleged work producing nuclear weapons. 

The Washington Times awards its Golden Hammer Award, a weekly distinction the Times satirically awards for wasteful government spending, to South Carolina’s Mixed Oxide (MOX) fuel facility, which, while intended to convert excess weapons-grade plutonium into mixed-oxide fuel, is criticized as an expensive and ineffective non-proliferation policy.

A U.S. federal appeals court rules that the government overreached in imprisoning three Transform Now Plowshares activists on charges of sabotage, and that the activists must immediately be released.  

The United States conducts a test of another Minuteman III ICBM at Vandenberg Air Force Base. 

107 nations sign the Humanitarian Pledge, initiated by Austria, to “fill the legal gap” for the prohibition and elimination of nuclear weapons.

The 2015 NPT Review Conference ends in failure after the United States, United Kingdom, and Canada refuse to adopt the final document in defense of Israel’s concerns over language relating to the proposed Middle East Zone free of nuclear weapons. 

UK whistleblower William McNeilly releases a damning 18-page report on Trident Submarine dangers. 

Women Cross DMZ crosses the demilitarized- zone border between North Korea and South Korea to draw attention to the need for a permanent peace treaty between the two nations. 

The Golden Rule, a boat that set sail in 1958 to stop nuclear testing in the atmosphere, is restored by Veterans for Peace and launched off the Samoa Peninsula. 

At the close of its 83rd Annual Meeting, the United States Conference of Mayors (USCM), calls for the “effective implementation” of the Nuclear Non-Proliferation Treaty (NPT) obligations. 

The U.S. Court of Appeals for the Tenth Circuit rules that Dow Chemical Co. and Rockwell International Corp. should be held liable for nuisance claims regarding the detrimental misconduct of the Rocky Flats nuclear plant in Colorado.

The U.S. Air Force and National Nuclear Security Administration (NNSA) conduct their first development flight test of the B61-12 nuclear gravity bomb.

The Republic of the Marshall Islands files an Appeals Brief at the Ninth Circuit Court of Appeals as part of its Nuclear Zero Lawsuit against the United States. 

The U.S., Iran, the European Union, and multiple other nations complete negotiations of the Joint Comprehensive Plan of Action (JCPOA) in Vienna. Under the JCPOA, or Iran nuclear deal, Iran agrees to limit its nuclear development in exchange for the lifting of sanctions that have crippled the Iranian economy since 1979. 

Four nuclear weapons experts file an amicus curae brief in support of the Nuclear Zero lawsuit filed by the Republic of the Marshall Islands to compel the United States to meet its requirements under the Nuclear Non-Proliferation Treaty (NPT). 

Hanford Nuclear Reservation whistle-blower wins $4.1-million settlement with his former employer after being fired for raising safety concerns. 

China conducts a fourth flight test of its new DF-41 road mobile intercontinental ballistic missile (ICBM)--considered China's most powerful and dangerous nuclear missile.

The United States conducts a test launch of its Minuteman III Intercontinental Ballistic Missile (ICBM) from Vandenberg Air Force Base in California to the Kwajalein Atoll in the Marshall Islands. 

Anti-Nuclear Parliamentarian, Jeremy Corbyn, is elected as Leader of UK Labour Party.

North Korea announces that it is improving the quality and quantity of its nuclear arsenal in response to the “reckless hostile policy” of the United States and its allies.

Japanese legislature votes to reinterpret Article 9 of the constitution, which declares that the Japanese people “forever renounce war as a sovereign right of the nation.” While this article was long considered a statement of pacifism, the new interpretation passed by the Japanese Diet will allow for "collective self-defense," potentially opening the door to a stronger Japanese military. 

Scottish Parliament holds a debate regarding the Marshall Islands’ Nuclear Zero Lawsuits against the world’s nine nuclear-armed nations. 

Pope Francis speaks out strongly in favor of peace and nuclear disarmament during his speech to the United Nations. 

A state-owned radioactive waste dump catches fire in Nevada.  

After nearly 50 years, the United States announces that it will clean up radioactive contamination caused by a plane crash in 1966 in Palomares, Spain.

The U.S. government  awards a contract worth up to $80 billion to Northrup Grumman to develop a new stealth bomber capable of delivering nuclear weapons.

The United States government files a Response Brief in the Nuclear Zero Lawsuit at the Ninth Circuit Court of Appeals. 

Tony de Brum, Foreign Minister of the Republic of the Marshall Islands (RMI), receives the Nuclear-Free Future Award in the category of “Solutions.” 

The U.S. Navy launches an unarmed Trident II D5 missile from a submarine off the coast of California just after dark. The resulting streak of light across the sky, which could be seen as far away as Arizona, caused many people to think they were seeing a UFO or a meteor.

Turkey shoots down a Russian fighter jet that it claims was violating its airspace after repeated warnings went unheeded. 

Tony de Brum, Foreign Minister of the Marshall Islands, receives the Right Livelihood Award in a ceremony at the Swedish Parliament. https://www.youtube.com/watch?v=7r2iipPYKvw&noredirect=1