Republicans Joni Ernst of Iowa, left, and Deb Fischer of Nebraska talk before the start of a Senate Armed Services Committee hearing on Capitol Hill on Tuesday.

The hearing in the Dirksen Building featured testimony from Adm. Michael S. Rogers, director of the National Security Agency.

For more on the Senate’s day (the House is in recess until Tuesday, May 16): Senate Leaders Spar on Republican Efforts to Repeal Obamacare