When Bill Kohler saw his son Ayden fall during a practice for his baseball team, he didn't worry too much.
Ayden was a healthy and active 9-year-old who loved every kind of sport, but when he seemed to have a hard time standing up after the fall his father became more concerned. A trip to the doctor quickly confirmed his worst fears.
Ayden was diagnosed with diffuse intrinsic pontine glioma (DIPG), a rare and deadly form of childhood cancer. Doctors also found a pair of tumors on the young boy's brain, and told Bill his son had less than a year to live.
To make things worse, over the next few months Ayden's speech and motor skills got worse and worse, a side effect of the cancer. Ayden's family took him from one doctor's appointment to the next, but soon it was obvious the treatments weren't effective.
This was difficult for Bill to accept, because of his time helping wounded soldiers while serving in the Army. "I was a medic in the war, you know, and you fix things," he told USA Today, "and this was something I couldn't even touch."
Determined to make the most of their last few months together, Bill made a Bucket List of fun activities, and you can see from the photos that Ayden loved every minute of it.