Preparations are well underway for the annual Wreaths Across America event, which will be held Dec. 17. An estimated 2.5 million wreaths will be delivered from Maine to more than 3,700 cemeteries in all 50 states and some territories, including Arlington National Cemetery. Hundreds of thousands of people volunteer for the event every year. This year, one of those volunteers is J.D. Walker, a long-time truck driver who lost his 21-year-old son, Marine Lance Corporal Jeffrey D. Walker, in Iraq in 2007.

Learn more about your ad choices. Visit podcastchoices.com/adchoices