"The president is grateful for Tom's commitment to the safety and security of our great country. Tom led the White House's efforts to protect the homeland from terrorist threats, strengthen our cyber defenses, and respond to an unprecedented series of natural disasters," said White House press secretary Sarah Sanders.
READ MORE: Dems Urge Kushner to Resign Over US Security Concerns
The US has seen a number of high-profile resignations that include Secretary of State Rex Tillerson, National Security Adviser H.R. McMaster, National Economic Council Director Gary Cohn and Communications Director Hope Hicks, among others.
