NASA's new Space Launch System (SLS) is about to go into full-scale fabrication after a detailed review. SLS Block 1, which just passed a design review milestone, will go to an asteroid placed in lunar orbit, and eventually to Mars.
The in-depth review – the first in almost 40 years for a NASA exploration class vehicle — provides a final look at the design and development of the integrated rocket before full-scale fabrication begins. Throughout the course of 11 weeks, 13 teams – including representatives from several NASA field centers – reviewed more than 1,000 files of data as part of the comprehensive assessment process.
NASA's Space Launch System Design 'Right on Track' for Journey to Mars (NASA.gov)