In a statement to Courthouse News, a State Department representative reiterated the department's concerns over the test and other like it.
After he was held in captivity for 17 months, Warmbier was released in a coma in June, evacuated to the United States and died in OH a few days later.
"All United States passports are declared invalid for travel to, in, or through the DPRK unless specially validated for such travel", read the restriction in the U.S. government's Federal Register, using the acronym for North Korea's official name.
A spokesperson for the Pentagon did not respond to a request for comment on the story, but Capt. Jeff Davis said in a statement from the day of the launch that the United States' commitment to defending allies in the area "remains ironclad".
On Wednesday, US President Donald Trump signed into law a new batch of sanctions on Beijing, Tehran, and Moscow.
U.S. Secretary of State Rex Tillerson, who called on countries to suspend or downgrade their diplomatic relations with the regime in a speech at the Security Council in April, is expected to raise the issue of suspending North Korea's membership to the ARF during the forum.
Tour companies said the ban would significantly reduce the numbers of Western tourists to the impoverished country.More news: Watching Porn at an Early Age Linked to Poor Attitudes Toward Women
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The North Korean Foreign Ministry criticized Friday a new ban preventing United States citizens from traveling to North Korea and accused Washington of a "hostile policy" toward Pyongyang.
Meanwhile, the number of Chinese tourists in South Korea more than halved in June, marking a decline for four straight months amid the extended row.
North Korea has embassies and some businesses in several Southeast Asian countries, some of which trade goods with Pyongyang.
Locals going to China via Hana Tour, the country's No. 1 travel agency, in July were tallied around 32,000, down a sharp 46.5 percent from the same period previous year.
In Pyongyang, visiting United States tourist Carolyn Dunlap described the move as "definitely not unexpected" in light of Warmbier's death and other detentions. Of course it's too late for us to have that conversation, since the meeting is upon us for this year.
"It's kind of cool, kind of weird", said the 21-year-old.
One potential challenge involves how to address Pyongyang's two latest rockets - tested July 4 and July 28 - which the USA and the North itself have described as intercontinental ballistic missiles capable of reaching the American mainland.