Jeremy Corbyn said that he hopes to persuade the Labour shadow cabinet "that a nuclear-free world is a good thing", ahead of a formal decision at Sunday's party conference on whether the renewal of Trident will be debated.
Speaking on the BBC's Andrew Marr Show on Sunday morning, the newly elected leader of the Labour party said he was keen to convince colleagues that "fulfilling our obligations under the nuclear non-proliferation treaty, and promoting a nuclear weapons convention is a good thing".
"There are many military thinkers who are opposed to Trident because they don't see it as part of modern security or defence," he said. "They don't see any situation in which Trident would become an option you would think about using. This is a weapon of mass destruction."
Asked by Marr whether there would be a crystal-clear yes or no on Trident, Corbyn said that there would be "a series of alternatives rather than a definitive vote this conference" but admitted that there was likely to be a "difference of opinion" in the party.
Speaking on Marr's show last week, shadow foreign secretary Hilary Benn said Labour was unlikely to support the scrapping of Trident.
"The truth is, we live in a differently dangerous world now and we need a continuous at sea deterrent," he told Marr. "We need to do it in the most cost-effective way, and that is the view that the Labour party, including the Labour party conference, has taken for many years now.
But Corbyn remains adamant that "we are going to come to an accommodation of sorts".
"I will do my persuasive best to bring them around to my point of view," he said. "Watch this space."