Same tactic both sides used in WWII to bring down infrastructure.

https://news.slashdot.org/story/21/11/05/2118223/drone-used-in-attack-on-us-electrical-grid-last-year-report-reveals?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Slashdot%2Fslashdot+%28Slashdot%29

Drone Used In Attack On US Electrical Grid Last Year, Report Reveals - Slashdot

A modified consumer drone was used in an attack on an electrical substation in the US last year, according to a report from the FBI, Department of Homeland Security…