Three years ago this month, my son was killed while serving in Iraq. His death changed many things, among them my own hitherto casual attitude toward Memorial Day.

via Memorial Day, for a father whose son was killed in Iraq – latimes.com.

Happy Memorial Day, which, per US Memorial Day.org, is defined as

Memorial Day, originally called Decoration Day, is a day of remembrance for those who have died in our nation’s service.

You can’t thank them but you can thank their families, and remember their sacrifice.