In the United States, although the new fiscal year has started, the necessary budget for the government has not yet been decided.
For this reason, some government operations were delayed.
At NASA, about 83% of the approximately 18,000 employees are on leave.
Many space researchers and staff from other fields are no longer able to continue their work.
A Japanese government official said, We are concerned that if the holiday period is prolonged, research between Japan and the United States may stagnate.
However, the work necessary to ensure the safety of astronauts on the International Space Station continues to be carried out.