Snow covers an HC-130J Combat King II aircraft on the flight line of Moody Air Force Base, Ga., Jan. 3, 2018. An extreme winter storm brought the first snow the base has seen since 2010. (Andrea Jenkins/Air Force)
The aircraft carriers USS Harry S. Truman and USS Abraham Lincoln are blanketed with snow following blizzard-like conditions. (Scott Swofford/Navy)
Sailors aboard the USS Carney prepare to send a shot line to the fleet replenishment oiler USNS Patuxent during an underway replenishment in the Aegean Sea, Jan. 3, 2018. Navy photo by James R. Turner
Navy Seaman Ryan Sharland directs a UH-1Y Venom helicopter on the flight deck of the USS San Diego in the Indian Ocean, Dec. 28, 2017. (Justin A. Schoenberger/Navy)
Coast Guard Cutter Penobscot Bay, an icebreaking tug, helps a tugboat break free from ice in the Hudson River near Saugerties, N.Y., Dec. 31, 2017. Coast Guard photo
A Marine takes a breath while swimming 100 meters as part of a physical fitness challenge at Camp Hansen in Okinawa, Japan, Dec. 29, 2017. Marine Corps photo by Cpl. Bernadette Wildes