In the wake of Pyongyang's latest missile test, a Democratic senator is pushing to add an amendment to the annual defense policy bill that would require the Trump administration to submit a North Korea strategy to Congress.

“As we confront the serious threat that North Korea poses to the security of our country, our service members, and our allies in the region, we must have a clear, comprehensive strategy,” Sen. Joe Donnelly Joseph (Joe) Simon DonnellyEx-Sen. Joe Donnelly endorses Biden Lobbying world 70 former senators propose bipartisan caucus for incumbents MORE (D-Ind.) said in a statement Tuesday. “That plan must be realistic about our capabilities and the resources it would take to achieve our objectives.”

On Sunday, North Korea conducted its sixth missile test, its most powerful test to date. Pyongyang claimed the test was a successful one of a hydrogen bomb that could be loaded onto an intercontinental ballistic missile (ICBM).

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The nuclear test, which followed a slew of provocative missile launches including two ICBM tests and an intermediate-range missile test that flew over Japan, drew widespread global condemnation and alarm.

Defense Secretary James Mattis James Norman MattisBiden courts veterans amid fallout from Trump military controversies Trump says he wanted to take out Syria's Assad but Mattis opposed it Gary Cohn: 'I haven't made up my mind' on vote for president in November MORE warned of a “massive military response” if North Korea threatens the United States or its allies, and U.S. Ambassador to the U.N. Nikki Haley Nimrata (Nikki) Haley'The soul' versus 'law and order' Author Ryan Girdusky: RNC worked best when highlighting 'regular people' as opposed to 'standard Republicans' GOP lobbyists pleasantly surprised by Republican convention MORE warned that North Korean leader Kim Jong Un is “begging for war.”

President Trump, meanwhile, floated the idea on Twitter of cutting off all trade with countries that do business with North Korea. He also said he would allow allies South Korea and Japan to purchase more “sophisticated” military equipment.

Under Donnelly’s amendment to the National Defense Authorization Act (NDAA), the administration would have 90 days to develop a North Korea strategy that covers the threats posed by the country, the economic and political relationships between North Korea, China and Russia, and a “detailed roadmap” to achieving specific objectives, among other elements.

The administration would also have to identify the resources needed to achieve those goals and any currently existing gaps in capabilities. The plan would need to be updated quarterly.

Mattis, Secretary of State Rex Tillerson Rex Wayne TillersonGary Cohn: 'I haven't made up my mind' on vote for president in November Kushner says 'Alice in Wonderland' describes Trump presidency: Woodward book Conspicuous by their absence from the Republican Convention MORE, Joint Chiefs of Staff Chairman Gen. Joseph Dunford and Director of National Intelligence Dan Coats Daniel (Dan) Ray CoatsFBI chief says Russia is trying to interfere in election to undermine Biden The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump, Biden renew push for Latino support Former Intel chief had 'deep suspicions' that Putin 'had something on Trump': book MORE are set to brief both chambers of Congress on Wednesday on North Korea and other topics.

The Senate is expected to take up the NDAA as soon as this week, or later this month.