WINSLOW — Two days before a fateful helicopter mission in Kuwait, Maj. Jay Thomas Aubin mailed a letter to his mother, Nancy Cham- berlain. "I want to thank you for everything over the years," Aubin wrote. "You always tried your best to put us first at your expense. I wish it had worked out that I was closer to your grandkids." "Hopefully," he continued, "I will be home soon." Those parting words pierced through mourners at St. John the Baptist Church on Saturday, as the Rev. Paul Plante read the letter during a memorial service for the fallen Marine pilot....