Tulsi Gabbard, President Trump's nominee to serve as the director of national intelligence, will testify Thursday morning at a confirmation hearing before the Senate Intelligence Committee. The 43-year-old former Democratic congresswoman from Hawaii and combat veteran would oversee the nation's 18 spy agencies.

President Trump’s choice to serve as the director of national intelligence faced tough questions from senators in both parties.

If confirmed, former Rep. Tulsi Gabbard would become the youngest-ever DNI. Sources tell ABC News the vote on her nomination is expected to be close.

Trump’s nominee for director of intelligence said, under oath, that she was not aware “until today” that a prominent cleric she met in Syria threatened to unleash suicide bombers in the United States.

Gabbard had her confirmation hearing on Thursday as senators questioned her on her alliances and controversies.

EXCLUSIVE: Dozens of top former intelligence officials are urging members of the Senate to confirm President Trump’s nominee for Director of National Intelligence Tulsi Gabbard, saying she will “begin undoing the gross politicization that has come to characterize intelligence bureaucracies,

Gabbard is transferring her business to her spouse in a move experts said could create conflict of interest concerns.

Watch the Senate Intelligence Committee hearing on President Trump’s nominee for national intelligence Director Tulsi Gabbard

WASHINGTON (TNND) — Tulsi Gabbard, President Donald Trump’s nominee to be director of national intelligence, rejected claims by Senate Democrats on Thursday that the president would ask her to violate the law.

Senate Republicans and their allies believe former Rep. Tulsi Gabbard ’s chances of being confirmed as director of national intelligence will hinge on her performance during her confirmation hearing next week, with several mentioning she has an “uphill battle” in her chances of being confirmed.

One expert says her views are ‘so wildly fringe that her potential appointment as DNI is genuinely alarming’, Richard Hall and Andrew Feinberg write

Robert F. Kennedy Jr., Tulsi Gabbard and Kash Patel's confirmation hearings on Thursday capped a tumultuous week after the White House abruptly halted federal funding for programs Americans rely on nationwide,