Mike Pompeo, the CIA director nominated to be secretary of state, defended the Trump administration’s efforts to push back on aggression from Russia at his confirmation hearing Thursday while suggesting more sanctions on Moscow are still needed.

Mike Pompeo has been tapped by the U.S. president to replace Rex Tillerson as secretary of state.

President-elect Donald Trump is moving ahead with filling key posts in his administration, picking Alabama Sen. Jeff Sessions for the job of attorney general and Rep. Mike Pompeo as head of the CIA.