NASA Astronauts Suni Williams, Don Pettit, and retired NASA astronaut Butch Wilmore were featured on @nasa_marshall Instagram playing an emoji guessing game of projects they worked on while on the ISS featuring USC SERC developed technologies on CLINGERS and REACCH !  https://www.instagram.com/reel/DNETgEtKHdk/?igsh=MTc4MmM1YmI2Ng%3D%3D