President Hassan Rouhani vowed on Friday that Iran would boost its missile capabilities despite warnings from Washington that it is ready to ditch a landmark nuclear deal over the issue.
He said: "Exiting such an agreement would carry a high cost for the United States of America, and I do not believe Americans would be willing to pay such a high cost for something that will be useless for them".
Iran's Tasnim news agency reported the country had unveiled a new ballistic missile with range of 2,000 km (1,200 miles), capable of carrying several warheads.
"The missile has become smaller in size (compared to other Iranian ballistic missiles) and more tactical, and it will be operational in the near future", Hajizadeh said without further elaboration.
Rouhani stressed that Iran would strengthen its defense power to the extent it deems necessary.
50 countries signed the UN's Nuclear ban treaty
Security Council seat holders - Britain, China, France, Russia and the United States - which all possess the destructive devices. However, with President Donald Trump's policy of increasing the US' defenses, the fate of START's future may now be uncertain.
"Khorramshahr with an effectual range and unique qualities features an agile missile", Brigadier General Amir Hatami was quoted as saying.
The Iran nuclear deal was orchestrated by the Obama administration and put strains on US relations with enemies of Iran, including Israel and Saudi Arabia.
Although UN provisions seek to limit ballistic missile technology, the nuclear agreement negotiated in 2015 by Iran and six world powers, including the United States, does not prohibit Iran from developing such weapons.
State broadcaster IRIB carried footage of the missile test without giving its time and location. The missile is named Khorramshahr after the Iranian city where the first major engagement of the war occurred.
The prospect of Washington reneging on the deal has anxious some of the US allies that helped negotiate it, especially as the world grapples with North Korea's nuclear and ballistic missile development.
Ryanair to recruit 125 new pilots in the 'next week or two'
He dismissed talk of possible industrial action, including reported plans for a work-to-rule, saying: "There isn't a union". Separately, some Ryanair pilots have spoken to the BBC about a "toxic" atmosphere and how they felt "undervalued".
"Every country in the world is supporting the nuclear deal we signed except the United States and the Zionist regime".
"President Trump rightly called the nuclear deal with Iran, he called it an embarrassment", Netanyahu continued.
UN inspectors say Iran has fulfilled its commitments to give up its nuclear activities under the agreement, which was reached with the five permanent members of the UN Security Council and Germany.
Trump on Wednesday said he had made his decision, but was not yet ready to reveal it.
Criticism by the Trump administration of the 2015 nuclear deal has focused heavily on Tehran's continuing missile program.
Bongino on 'Dreamers' Confronting Pelosi: 'A Dumb Strategy All Around'
She had began her speech, calling dreamers courageous. "I mean, this is the problem with not enforcing the rule of law". That attitude could send Democrats down a slippery slope. "And that's our threshold", she said.