It utilised, among other things, a set of sonobuoys. One of these sensors fell into Chinese hands in the South China Sea. The Yuyuan Tantian account, associated with the state-owned China Central ...

Many militaries, including China, use sonobuoys and acoustic sensors. Maritime patrol aircraft often use them and other detectors in open waters to track submarine movements and locations.

These sonobuoys are dropped from aircraft and helicopters ... ups showcased the technology that is now undergoing trials. As China undertakes massive expansion of its navy and also its presence ...