The Indian rover Chandrayan-3 detected sulfur and several other chemical elements near the lunar south pole, while searching for traces ice water nearly a week after its historic moon landing, the Indian space agency announced on Tuesday.

The rover’s spectroscopic instrument also detected aluminum, iron, calcium, chromium, titanium, manganese, oxygen and silicon on the lunar surface, the Indian Space Research Organization (ISRO) said in a post on its website.

Chandrayan-3 is expected to conduct experiments in a period of 14 daysISRO said.

The spacecraft “unequivocally confirms the presence of sulfur,” ISRO announced. It also looks for signs of frozen water that could help future astronaut missions, such as potential source of drinking water or for the production of rocket fuel.