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 installations around the country.

The US Army could deploy some 20 microreactors on domestic bases over the next five years.

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.