A soldier of the 1st Battalion,119th Field Artillery Regiment, attaches the hook of a M-777 howitzer to a CH-47 Chinook during their first time conducting sling load operations in a nearly -30 degree temperature at Camp Grayling Joint Maneuver Training Center, Feb. 28, 2014. Lt. Adam Stephens, Executive Officer of Alpha Battery in Port Huron, said this weather brings many challenges for equipment and potentially cold weather injuries for soldiers, however the soldiers' morale was high and they performed well. (Michigan National Guard photo by Spc. Alexandria Robinson/Released)