Core Observatory Entering Thermal Vacuum Chamber. On Tuesday Nov. 13, 2012, the GPM observatory moved from the clean room to the thermal vacuum chamber. The spacecraft, wrapped in protective blankets, made the short trip by crane across the testing facility where it was then lowered into the 40-foot test chamber.

Global Precipitation Measurement (GPM) is a joint mission between JAXA and NASA. Therefore as well as other international space agencies to make frequent. And (every 2–3 hours) observations of Earth’s precipitation. Although it is part of NASA’s Earth Systematic Missions program. Also it will work with a satellite constellation to provide full global coverage.