NASA astronauts Don Pettit and Nichole Ayers work on the NanoRacks External Platform

iss072e861726 (March 28, 2025) --- NASA astronauts Don Pettit and Nichole Ayers, both Expedition 72 Flight Engineers, prepare the NanoRacks External Platform with its grapple fixture attached for stowage aboard the International Space Station's Kibo laboratory module. The commercial research platform housed three different electrical and optical experiments that tested operations while exposed to the vacuum of space.