From Name: From Email: To Name: To Email: Optional Message: When veterans return, their children also deal with the invisible wounds of war from The Washington Post Twice a day, Koen Hughes' medicine alarm beeps and sputters. He yells out across the kitchen to his father, retired Army Staff Sgt. Jonah Hughes, an Iraq war veteran, who suffers from such a severe brain injury that it's hard for him to remember things, like whether he showered, and sometimes how to shower. Koen is always there, reminding him to take his anti-seizure pills, nervously double-checking his medicine box and squinting as he monitors his father's behavior. Koen is 10. more 7701 Las Colinas Blvd., Ste. 800, Irving, TX 75063