China intercepts submarine detectors dropped by US aircraft in South China Sea

Video has emerged showing a U.S. Navy plane dropping a spy probe in the South China Sea. The submarine detecting device was intercepted by the Chinese Coast Guard.

Following the incident, the China Coast Guard swiftly dispatched vessels to recover the items which were identified as Ultra Electronics devices.

Ocean expert Yang Xiao explained that Ultra Electronics, a defense and security company specializing in advanced electronic systems and equipment, provides submarine detection services to the U.S. Navy. The device can be used to detect the signal of a Chinese submarine and to counter signals from submarines underwater, according to the expert.