From the USA side, White House national security adviser HR McMaster told a conference in California on Saturday that the chances for war on the Korean Peninsula grow daily.
"I see no evidence of the investigation in any way impeding the important work that we are doing", McMaster told Fox News host Bret Baier at the Reagan National Defense Forum at the Ronald Reagan Presidential Library in Simi Valley, Calif.
It was the country's third intercontinental ballistic missile (ICBM) test, but the first of what North Korea is calling its Hwasong-15 missile. The F-22s flew into South Korea together in a show of force, and the allies plan to stage simulated attacks on mock North Korean nuclear and missile targets, according to Yonhap.
"We are as a council working towards the way in which, the peaceful way, of putting pressure on North Korea, so that they would change their policy", he said.
"So I want them (the Pentagon) to stop sending dependents and I think it's now time to start moving American dependents out of South Korea", Graham said.
On Saturday Russia's Foreign Affairs Minister Sergei Lavrov reiterated his country's condemnation of the missile test.
The commentary was published a day after Pyongyang's foreign ministry accused the Trump administration of "begging for nuclear war" by staging what it called the reckless air drills.
It was nearly 10 times more powerful than the 10-kiloton test carried out by the North previous year, according to South Korean experts.
The Hwasong-15 is believed to have reached the highest altitude ever recorded by a North Korean missile.
U.S. Air Force aircraft arrived in South Korea on Saturday to participate in a joint aerial drill just a week after North Korea launched a ballistic missile.
"Long Live the General Kim Jong-un who has brought us the great historic cause of nuclear statehood", another banner read. "I think we're really running out of time".
It is scheduled to last five days and comes less than a week after the rogue state's latest intercontinental ballistic missile test, which Pyongyang claimed was capable of hitting the U.S. mainland.
A landmark 2014 United Nations report on North Korean human rights concluded that North Korean security chiefs - and possibly Kim himself - should face justice for overseeing a state-controlled system of Nazi-style atrocities.