He died Wednesday after a shooting at Kabul International Airport.
Officials announced Saturday that Nylander was one of nine people who died that day in the same attack. A veteran Afghan military pilot opened fire, killing eight U.S. troops and an American civilian contractor who had been training the Afghan air force, reports state.
Nylander is survived by his wife, Miriam, and three children.
"Our thoughts and prayers go out to the family and loved ones of the Airmen who paid the ultimate sacrifice protecting our freedoms," Col. John Cherrey, 355th Fighter Wing commander, said in a statement released Friday. "Today's tragic event hit close to home as one of our own was among the casualties. We will continue to support the Airman's family as they deal with this loss."