1st Lt. Andrew Ter Haar, a KC-135R pilot from the 185th Air Refueling Wing, Sioux City, Iowa, prepares to land at ├śrland Main Air Station, Brekstad, Norway, during Arctic Challenge Exercise 2019. ACE 19 is a multinational effort geared toward preparing participants for air operations and cross border training.(U.S. Air National Guard photo by Senior Airman Maria C. Rella)