DETROIT (WXYZ) — "It's still real tough because at nighttime, you know, when I'm sitting in my room, he's all I think about," said Derek Stone Jr., 14, about his dad.
Derek's father died earlier this year from cancer, and his son and his friends remember him as a superhero.
Derek Stone Sr. was a Detroit Firefighter who received the Medal of Valor for helping to pull two people out of a fire.
Stone was one of several other first responders who were also honored at today's 9/11 ceremony in downtown Detroit. First responders that included Firefighter Jack Wiley II, Detroit Police Officer Fadi Shukur, Detroit Police Officer Glenn Doss, and Detroit Police Captain Steil.
Click on the video to see some of today's service in downtown Detroit.