Rodent Research-5 (RR-5) Systemic Therapy of NELL-1 for Osteoporosis: On Saturday two crewmembers performed the second injection of the RR-5 mice in the Microgravity Science Glovebox (MSG). Spaceflight has significant and rapid effects on the musculoskeletal system; therefore, it is important to investigate targeted therapies that could ameliorate some of the detrimental effects of spaceflight. …