NASA Prepares for Space Launch System Rocket Services Contract As NASA prepares for the first integrated flight test of the Space Launch System (SLS) rocket and the Orion spacecraft to the Moon this summer as part of Artemis, the agency is moving toward a services contract model for long-term SLS hardware production and operations to reduce costs. http://www.nasa.gov/press-release/nasa-prepares-for-space-launch-system-rocket-services-contract