Cheap drones, once the domain of hobbyists, are now in high demand on battlefields. Following Hamas's attack on October 7, Israel has been flooding suppliers with requests for drones: it wants as many as possible, as soon as possible. WSJ’s Heather Somerville unpacks the benefits and perils of the use of off-the-shelf drones in modern warfare. Further Reading: -Israel Wants Inexpensive Drones. Chinese, American—It Doesn’t Matter.  -How the Technological Revolution in Ukraine Is Reshaping Modern Warfare  -U.S. Drone Startups See an Opening in Ukraine  Further Listening: -The Surprising Origins of Russia’s Drones  Learn more about your ad choices. Visit megaphone.fm/adchoices