–Sierra Space, a leading commercial space-tech company and next generation defense-tech prime building a platform in space to benefit life on Earth and protect the freedom of economic activity in the Orbital Age®, announced today that its expandable space station technology is scheduled for its seventh key validation test, and second full-scale structural test, this June at NASA’s Marshall Space Flight Center in Huntsville, Ala. “Sierra Space’s expandable space station technology, based on the LIFE habitat product line, leverage a discriminating technology that has no equal. The product line-b…