SPOKANE, Wash. -

He died at just 22-years-old, but Jacob Hess' legacy continues to live on.

Sergeant Hess was killed in Afghanistan on New Year's Day. He graduated from North Central High School and was a blood and platelet donor.

In fact, Hess' bone marrow donation helped to save a stranger's life. Hess was just 20-years-old when he donated his bone marrow to someone he had never met.

"It was September of 2010. I became very ill," Crystal Osha said.

Osha was then diagnosed with Stage Four Acute Myeloid Leukemia. Osha of Orlando, Florida only had a 10% chance to survive.

"I even made out my living will. I was prepared, I had my children prepared," Osha said.

Osha's last hope was a bone marrow transplant. Doctor's said it was the only way she'd live. However, no one in her family was a perfect match. Crystal's perfect match was 2,800 miles away in Spokane, Washington.

Osha remembers the day she was given life by a complete stranger, a 20-year-old Marine, named Jacob Hess.

"We just stood at the window and we prayed. They brought it in and within an hour I was receiving Jacob's bone morrow," Osha said.

Hess' platelets now flow through her veins keeping her alive and healthy. Best of all, she's now cancer free.

"I am 99% Jacob's bone marrow. I have only 1% of me left," Osha said. "He's a part of me. He'll always be a part of me and I will always cherish that gift for the rest of my life," Osha added.

It was Osha's dream to meet Hess but on Thursday she learned that won't happen. Hess died on January 1st, while fighting for our country in Afghanistan.

"My whole family has been devastated by this," she said.

While they never got to meet, Osha and Hess did exchange e-mails.

"One of the e-mails Jacob had sent me, at the end of it, it was so cute. It said, if you ever need anything, let me know because I am your perfect match," Osha said.

Osha is determined to not let Hess' selfless gift be wasted. She's raising her two kids and going to nursing school. Because of Hess' life, Crystal has life and has been given a second chance to make the world a better place.

"I want to go out and help other people. You know, he's really inspired me," Osha said.

Hess' family is asking that if you would like to honor his legacy and life, consider donating in what ever way you can.