After the deal was approved, Iran is "in Syria, they're basically supporting Hezbollah, putting big threats against Israel and they are meddling in Iraq and everyone else in the Middle East because of this money from the deal", said Kinzinger.
Trump also is expected to soon announce his decision on whether to "decertify" the Iran nuclear accord in the coming days, which would prompt a congressional review period on the accord.
Opposition to the deal was a major part of his campaign past year. "Maybe it's the calm before the storm", Trump said on Thursday. It was speculated that Trump would take up the issue of the Iran nuclear deal with the military leaders during the dinner, but it remains unclear if that's the "storm" he was referring to. During the shoot, Trump told reporters the evening represented "the calm before the storm" but would not elaborate.
"What storm?", the reporters asked.
Trump said he expects the leaders to provide him with a "broad range of military options, when needed, at a much faster pace".
Trump on Thursday criticised Iran's behaviour with regard to the 2015 pact.
Trump has accused Iran that it "did not follow the spirit of the agreement" signed during the presidency of Barack Obama.
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President Donald Trump on Friday fueled speculation about his cryptic warning that this is the "calm before the storm", further refusing to explain the comment.
The Washington Post first reported his intention to decertify the deal, and several other news outlets cited unidentified US officials as confirming The Washington Post report.
Trump replied, "You'll find out".
The statement was made as he sat alongside senior security officials, the most senior of whom have said repeatedly that Iran is abiding by the 2015 nuclear agreement.
"And it will be done, if necessary - believe me", he added.
The U.S. State Department is due to certify Congress whether Iran has been complying with the terms of the deal, formally known as the Joint Comprehensive Plan of Action, or JCPOA.
In a speech last month at the United Nations, Trump warned that the United States would "totally destroy" North Korea if needed to defend itself or USA allies.