Alaskan UH-60 Black Hawks with skis:

This Alaska Army National Guard UH-60 Black Hawk is wearing just the tail ski. U.S. Air Force photo by Alejandro Peña, 30MAY2018.

The rear portion of the main skis can be lowered for hoisting operations. U.S. Air Force photo by Justin Connaher, 30JUL2016.
Video, aerial refueling March 2018:
Video, Operation Rock and a Hard Place, March 2015:

‘Hang Ten’ was originally a symbol of surfing in late 1950s California, then becoming the logo of a surf-clothing company in the 1960s. U.S. Air Force photo by Staff Sergeant Joshua Turner, 20AUG2015.
‘Hang Ten’ video, people jumping out of a perfectly good helicopter with Hang Ten painted skies in the middle of an Alaskan Winter, 2014:
Video report, Arctic Care 2013:
MILITIA UH-60L LOOSES WINDSHIELD AT NTC!
VEHICLE ID: UH-60 BLACK HAWK M240 LIVE FIRE, GRAFENWOEHR
BLACK HAWK DOWN JAPAN: U.S. ARMY TRAINS YOKOHAMA TO RESCUE DOWNED UH-60 CREWS