One of the most vocal champions for more transparency regarding American drone use on Thursday called for further declassification, hours before confirmation hearings for the next director of the Central Intelligence Agency.

“Now what I’m going to be pressing for today and in the days ahead is declassifying more information about those issues,” said Sen. Ron Wyden (D-Ore.) on MSNBC’s “Morning Joe.” “I think you can do it consistent with national security, and that’s the next step.”