Retired Vice Adm. Robert Harward is said to be the top candidate to replace Gen. Michael Flynn as President Trump's national security adviser.
The Washington Examiner reported on Tuesday that Harward's name was in the mix along with retired Gen. David Petraeus and retired Lt. Gen. Keith Kellogg.
Harward joined the Navy out of high school. After rising through the ranks he became a Navy SEAL and then the SEAL's top commander. While at U.S. Central Command, Harward served as the three-star deputy to then-Gen. Jim Mattis before retiring in 2013.
While working for the National Security Council, Harward served as the director of strategy and policy for the office combating terrorism during President Bush's administration.
Sen. Lindsey Graham (R., S.C.) said that Harward would be an outstanding choice. Graham had served as an Air Force lawyer under Harward.
Flynn resigned Monday evening after being embroiled in a scandal on whether he had misled Vice President Mike Pence and other White House officials about his conversations with the Russian ambassador in late December.
The conversations were held weeks before Trump was inaugurated and were about American sanctions against Russia.
A former official in the Justice Department was warning the White House in January about Flynn's conversations, saying he had not been completely honest about the conversations.
Multiple Democratic members have called for a bipartisan investigation into Flynn and his conversations.
Kellogg is currently serving as the acting national security adviser.