Donald Trump’s controversial nominee could soon be confirmed by Republicans to lead the Department of Defense.

In a heated Senate confirmation hearing for Pete Hegseth, Sen. Tammy Duckworth grilled the proposed defense secretary over the Association of Southeast Asian Nations, asking him if he could name one member and how many countries were in the bloc.

Sen. Tammy Duckworth put Pete Hegseth’s foreign policy chops to the test during his confirmation hearing on Tuesday as President-elect Trump’s pick to lead the Pentagon. The Illinois

During his confirmation hearing, Trump’s Defense Secretary nominee couldn’t name a single member of the Southeast Asian bloc.

Hegseth, a former Fox News personality, was taking questions from Sen. Tammy Duckworth (D-Ill.) when she challenged him to share his knowledge about even just one member of the Association of Southeast Asian Nations, or ASEAN.

Tammy Duckworth, grilling President-elect Donald ... "I suggest you do a little homework." ASEAN is made up of Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore ...

Tammy Duckworth (D-Ill.), a member of the committee ... (For the record, ASEAN is made up of 10 South Asian countries: Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand, and Vietnam.) “The man is absolutely ...

Hegseth responded at the heated Senate confirmation hearing that he couldn’t tell Duckworth the exact number of ASEAN nations, but that “I know we have allies in South Korea and Japan in AUKUS (a pact between Australia, the United Kingdom and the U.S.) with Australia.”

Tammy Duckworth, grilling President-elect Donald ... What is ASEAN and why is it relevant to the US? ASEAN is made up of Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines ...

Tammy Duckworth asked the nominee for factual details about the Association of Southeast Asian Nations (ASEAN), including its membership and the U.S.'s relationship with member countries. Hegseth responded that he was unable to name the exact members of ASEAN,

A senator told Hegseth: "I suggest you do a little homework before you prepare for these types of negotiations."