The D Brief: Double sub production?; Shipbuilding ‘cobots’; Army’s unassigned tech-execs; Border SITREP; And a bit more.

The U.S. must double its sub production, CNO nominee says. “We need a transformational improvement and the ability to deliver twice the capacity that we're currently delivering” in order to meet the needs of the U.S. Navy and the country’s commitments to the UK and Australia under the AUKUS pact, Adm. Daryl Caudle, the U.S. Fleet Forces Command leader who is nominated to be the chief of naval operations, told senators Thursday during his confirmation hearing. “We nee