In a statement announcing Mr Pompeo's appointment, Mr Trump said: "I have gotten to know Mike very well over the past 14 months, and I am confident he is the right person for the job at this critical juncture".
Malcolm Turnbull predicts there will be a seamless transition to new US Secretary of State Mike Pompeo after the sacking of Rex Tillerson.
By projecting weakness to Pyongyang, Tillerson was undercutting Trump's message of strength - and thus making war more likely.
Tillersonsaid he was delegating all of his responsibilities to the State Department's No. 2 official and that he would leave office at the end of the month.
"The anxiety that Trump has about Tillerson being more competent than him has finally played itself out". Tillerson never denied using the word.
On Iran, Pompeo is expected to support Trump's desire to terminate the nuclear agreement crafted by the Obama administration-a break from Tillerson, who had warned ending the agreement would be extremely unsafe.
He said he was nominating the CIA's deputy director, Gina Haspel, to take over for Pompeo at the intelligence agency.
In her appointment past year as deputy director, Haspel garnered praise from high-level Obama-era and Bush-era appointees, including former Director of National Intelligence James Clapper and former CIA Director Michael Hayden.
"We disagreed on things. the Iran deal", Trump told reporters.
Trump on Tuesday singled out the Iran nuclear deal as one of the main differences he had with Tillerson.
"He felt a little bit differently".
"I'm not taking a position until we hear from him, but there are lots of outstanding questions", he said.
The outgoing secretary of state, who returned before dawn from a trip to Africa, did not speak to the president before his sacking was announced and was unaware of the reason for his sudden downfall, according to a top aide.
Trump said Tuesday he made the change as part of preparing for his anticipated meeting with North Korean leader Kim Jong Un on a possible nuclear deal.
Pelosi said this proves Trump'sdecisions are based on the "whims" of Russian President Vladimir Putin because Tillerson said the poisoning of a former double agent "clearly" came from Russia.
The prime minister described Central Intelligence Agency director Mr Pompeo as a great friend of Australia who was already well-known to the government.
On the same day he jettisoned Tillerson, the president's personal assistant was escorted from the White House after his security clearance was revoked - and promptly was given a senior job with Trump's re-election campaign.
As of early Tuesday afternoon, there is no set confirmation hearing and leadership remains unsure about how quickly they will get Pompeo through the confirmation process, only hearing the news hours before arriving at the Senate.
Cyber Monday 2017 – The top sellers in electronics this year
Apple’s 9.7-inch Wi-Fi enabled iPad Pro was also still a great seller thanks to massive price discounts from retailers. Microsoft dropped their game changing console update, the Microsoft Xbox One X with a 1TB hard drive and 4K compatibility.