An unnamed military source claims Obama's administration asked the UK not to publicise the incident
Theresa May has been under intense pressure after failing to relay the news to MPs ahead of a crucial Commons vote about the future of the submarine-launched missile system.
She was made aware of the reported failed launch in the days before the vote in July but chose not to reveal the information, sparking accusations of a “cover-up”.
There are very few things that we cannot discuss openly in Parliament, but the security of our nuclear deterrent is certainly one of them
Sir Michael Fallon
Speaking to The Times, an unnamed British military source claimed: "It was the Obama administration that asked the Cameron administration not to comment on this.
"The US administration may have been worried that there could be similar problems on other missiles.
"The British submarine successfully carried and launched the missile; the bit that went wrong was the US proprietary technology."
10 facts about Trident nuclear weapons
Wed, July 20, 2016
As MPs vote to renew the UK's Trident weapons system, we look at the facts about the nuclear weapon.
1 of 10
The UK's Vanguard fleet of four submarines carrying Trident nuclear missiles are due to become obsolete by the end of 2020
Get Quotes on Home Insurance
Both Downing Street and the Ministry of Defence have refused to comment.
British Defence Secretary Sir Michael Fallon also refused to comment on the launch when he was summoned to the Commons yesterday.
Defence Secretary Sir Michael Fallon speaking in the Commons on Monday
However, as he was speaking an unnamed US defence official told CNN the unarmed missile Trident II D5 missile veered off course after it was launched from a Royal Navy submarine off the coast of Florida.
Sir Michael claimed "HMS Vengeance successfully concluded that shakedown operation" but refused to elaborate on the finer details of UK nuclear security.
He told MPs: "There are very few things that we cannot discuss openly in Parliament, but the security of our nuclear deterrent is certainly one of them.
The Prime Minister discussed the Trident incident with Andrew Marr on Sunday
"It has never been the practice of governments to give Parliament details of the demonstration and shakedown operations.
"It may well be that earlier governments in different situations, indeed in more benevolent times, might have take different decisions about how much information they were prepared to reveal about these particular demonstration and shake-down operations.
"But these are not, of course, as benevolent times."