James Walker of NANO Nuclear Energy told Military.com how microreactors could keep military bases powered when the commercial grid fails.

The U.S. Army plans to deploy around 20 portable nuclear microreactors, awarding up to $2.2 billion to bring the technology to military bases under its Janus Program.

The Army's top energy official recently walked reporters through a series of questions he’s grappling with as part of the push to deploy nuclear microreactors at military…