![National Defense Magazine show](/assets/missing_small.png)
Summary: In this podcast, National Defense looks at the new Columbia-class submarine program, whether the Pentagon and industry can deliver when it comes to directed energy weapons and the tough choices ahead for the B-twenty-one program.
Summary: In this podcast, National Defense looks at the new Columbia-class submarine program, whether the Pentagon and industry can deliver when it comes to directed energy weapons and the tough choices ahead for the B-twenty-one program.