The new frontier for drone warfare is underwater, from tiny 7kg microsubs to the 15-metre Echo Voyager | South China Morning Post
![Andarne on Twitter: "Just finished this replica of Echo's Yokai Drone from #RainbowSixSiege #R6Community https://t.co/q3r2wVfcSv" / Twitter Andarne on Twitter: "Just finished this replica of Echo's Yokai Drone from #RainbowSixSiege #R6Community https://t.co/q3r2wVfcSv" / Twitter](https://pbs.twimg.com/media/Flt-PBiXkAUv1OD.jpg:large)
Andarne on Twitter: "Just finished this replica of Echo's Yokai Drone from #RainbowSixSiege #R6Community https://t.co/q3r2wVfcSv" / Twitter
![Download Suggestion[idea] Use Echo's Drone To Counter Smoke - Yokai Echo - Full Size PNG Image - PNGkit Download Suggestion[idea] Use Echo's Drone To Counter Smoke - Yokai Echo - Full Size PNG Image - PNGkit](https://www.pngkit.com/png/full/292-2928013_suggestionidea-use-echos-drone-to-counter-smoke-yokai.png)