October 2015, 4000m sea trial test for ARV and one Lander

March 2016, launch 4800-ton mother ship “Zhang Jian”

July 2016, Virgin Scientific Expedition Voyage

December 2016, 11000m sea trial for FOD ARV and three Landers in Mariana Trench

2017”Exploring the Trenches Expedition” cross from North Pole to South Pole

October 2019, first attempt of HOV’s 8000 meters dive

January 2020, manned submersible challenge to the hadal extreme of Mariana Trench