Magnetospheric Multiscale Mission Integration and Test Team Members (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption Magnetospheric Multiscale mission integration and test team members, seen here in white clean-room suits, integrate the fourth and final instrument deck onto the spacecraft deck/thrust tube assembly, which houses the propulsion module, officially making it an observatory. This clean room was designed and built for MMS to house all four spacecraft at once: Two additional observatories appear in the background. Credit NASA Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.