thedrive.com — $'The service wants these drones, which its nuclear-powered submarines will be able to launch and recover underwater, to initially be able to scout ... The video below shows the kind of imagery that be produced using side-scan sonar.'

facebook.com — Vaunted Chinese-made unmanned helicopter takes nosedive at air show in Hangzhou https://www.taiwannews.com.tw/en/news/4037978.