Brenda Shaffer and Alan Howard warn that an all-electric US military could be good for the planet and bad for national security. Right now the military draws on a mix of oil, natural gas, coal, nuclear, hydropower, biofuels, wind, and solar. That mix is a strength. Narrowing it down to electricity alone would cut into that resilience.
Electrification also means leaning on rare earth minerals, and most of that supply runs through China or countries under its influence. Fossil fuels, by contrast, are abundant and spread across many parts of the world.
The authors point to specific risks for an electrified force: more exposure to cyberattacks, longer charging times than refueling takes, weaker supply lines over distance, and more opportunities for adversaries to track military movements. Mining the minerals an electric fleet would need also causes real environmental damage, which cuts against the case for going electric in the first place.
Shaffer and Howard’s bottom line: this shift would work in China’s favor, and that’s a cost worth weighing before the US commits to it.