![Researchers ready a DJI S1000 octocopter drone for a mapping project, Sacred Valley, Peru, March 2015 (Photo by Faine Greenwood).](https://www.worldpoliticsreview.com/wp-content/uploads/2015/09/l_drones_09222015_1.jpg?w=519&h=259&crop=1)
They’ve gone from little-known hobby toys and military machines to an international phenomenon, with eager civilians snapping them up from China to Colombia: Whatever you may personally think of them, unmanned aerial vehicles, or drones, are here to stay. Civilian-focused drones are already proving profitable in the private sector, with sales exceeding an estimated 1 million units in the U.S. and companies from movie studios to construction firms working to integrate the devices into their work. The development sector is also starting to utilize drone technology, for uses ranging from quick post-disaster mapping and documenting environmental abuses to property surveillance. […]