1. The 3 m, 5 m and 7 m level 'Jiuhang' USV：

3 m level 'Jiuhang' USV

5 m level 'Jiuhang' USV

7 m level 'Jiuhang' USV

2. The applications of the USVs

Underwater acoustic communication using USV at Qingdao in 2015

Bathymetry using USV around Wuzhizhou island in 2016

Dose rate of nuclear radiation in USV’s trajectory at Qingdao in 2018