Pennsylvania Air National Guardsman Staff Sgt. Robbie Gregor from the 171st Air Refueling Wing gently encourages an emperor penguin to leave an active runway while supporting Operation Deep Freeze at the National Science Foundation's McMurdo Research Center, Antarctica, January, 2024. Operation Deep Freeze involves logistical support for scientific research including astrophysics, aeronomy, biology and ecosystems, geology and geophysics, glaciology, geomorphology, ice cores, geospace sciences, and ocean and climate systems (Courtesy Photo)