Kim Myong Gil said Friday he welcomed Trump's suggestion that a "new method" could achieve success in talks between Washington and Pyongyang.
Dan Smith of the Stockholm International Peace Research Institute suggested nuclear weapon development was continuing despite rapprochement with the U.S.
"But I cannot possess missiles with nuclear warheads? I do not accept that," Turkish President Recep Tayyip Erdogan said.
State media called the operation a training exercise that demonstrated the country's ability to position nuclear arms close to the United States, according to Reuters.
The iconic Cold War INF treaty is now dead and buried, and another key pillar of international nuclear order may soon follow suit.
Gorbachev was the Soviet leader when the agreement—limiting nuclear capable missiles in Europe—was signed in 1987.
Reports suggested the new submarine may have been designed to carry and launch ballistic missiles, which could in future be tipped with nuclear warheads.
President Donald Trump said Sunday Iran had "better be careful" with its expansion of enriched uranium production.
The new draft rules on blessing military equipment will still allow priests to sanctify "personal weapons."
This passage was called "Strangelovian" by a Federation of American Scientists expert and the report even quoted a nuclear war theorist known as an inspiration for Stanley Kubrick's 1964 black comedy.
Enriched uranium is required to produce nuclear power, but at a higher level of enrichment it can also be used to build nuclear weapons.
"The United States' prohibition would not be an obstacle," Ali Khamenei said, though he stressed the Islamic Republic had no desire for a nuclear arsenal.
"It is of fundamental importance that Russia and the United States calm the rest of the world and adopt a joint declaration at the highest level that a nuclear war cannot be won."
U.S. Department of Energy pushes forward with plans to reclassify some of its nuclear waste from Cold War weapons research.
"No water came out of the showers, faucets were missing and lights were not set up properly," Kim complained of facilities at a youth center.
"If he's working towards a deal, as you say, it's a deal we don't know about," John Brennan said. "He basically said he wants denuclearization. That is not going to happen."
The Wise Honest was seized in Indonesia earlier this month.
Washington has been at odds with Europe over Iran since the Trump administration abandoned the 2015 nuclear deal.
Estimates of the size of North Korea's test in September 2017 place it between 70 and 280 kilotons of TNT equivalent.
Large space rocks don't hit Earth often, but just one could cause mass destruction.
The head of U.S. Forces Korea said North Korea's "activity that we've observed is inconsistent with denuclearization."
After one of the most serious flare-ups in violence between India and Pakistan in years, the state of their rival armed forces is again making headlines.
As President Donald Trump and North Korea's Kim Jong Un attempt peace-for-denuclearization, the U.S. has abandoned a treaty with Russia and a new India-Pakistan conflict is feared.
Russian President Vladimir Putin said the development of the Avangard hypersonic glide vehicle was "absolutely equivalent" to the Soviet Union's launch of the first satellite in space.
"The main goal of this work is to ensure the military security of this country without increasing the current budget expenditures or joining an arms race," Russia's defense minister said.
Three politicians were arrested following Wednesday's action.
France conducted a rare test of its medium-range air-to-surface missile, the U.S. fired a Minuteman III intercontinental ballistic missile and Russia launched a RS-24 Yars ICBM.
Secretary of State Mike Pompeo announced Friday that the United States would suspend participation in the Intermediate-Range Nuclear Forces treaty.
"We currently assess that North Korea will seek to retain its WMD capabilities and is unlikely to completely give up its nuclear weapons," Director of National Intelligence Dan Coats said.