(ECNS) -- Crew members for China's upcoming manned space missions, Shenzhou-18 and Shenzhou-19, have been selected and they are currently engaged in training programs, according to China Manned Space Agency (CMSA) on Thursday.

The CMSA has planned two manned missions and two cargo supply missions for 2024, with one cargo supply mission being finished in January.

The three astronauts of China's Shenzhen-17 mission are in good physical and mental conditions and scheduled to return to the Earth in April.

A total of 150 in-orbit science research and application projects have been implemented, which involve space life science and human body research, microgravity physics and space technologies, making multiple achievements.