The Pentagon chief also stressed trilateral cooperation with Tokyo and Seoul is crucial for regional stability even as South Korea is in political turmoil.
Key lawmakers grew frustrated with the F-35 program earlier this year, as critical upgrades stalled and jets piled up at Lockheed Martin's Texas factory.
Driscoll, who served in the Army and deployed to Iraq with the 10th Mountain Division, brings a background in venture capital and private equity firms.
As a result, the report grossly undercounted the number of military and veterans arrested for the Jan. 6 attack, The Associated found in an investigation.