Four-month-old puppies take an afternoon nap on their dogsled during Greenlandic Heritage Week at Thule Air Base, Greenland, March 29, 2021. One the biggest events of Greenlandic Heritage Week is the annual dogsled race which has been held for 40 years. Thule AB provides for NATO partner trans-shipment and resupply of Canadian and Danish bases; and long-distance flight training and critical emergency medical support to the entire northwest landmass of Greenland, nearby sea-lanes and civilian aircraft. (U.S. Space Force Photo by Master Sgt. Trevor Derr)