President-elect Donald Trump has nominated Matthew Whitaker as the U.S. Ambassador to NATO.

Whitaker, a loyal ally who previously served as acting attorney general during Trump's first term, is expected to focus on advancing American interests within the alliance.

Trump has expressed concerns about NATO's financial reliance on the United States.

The announcement was made via Trump's communications channel, Trump War Room.

NATO Secretary-General Mark Rutte congratulated Trump on his election victory, expressing optimism about Trump's potential positive impact on the alliance and his leadership in strengthening NATO.