George Martin strides down road, closely followed by the Journey-mobile during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

George Martin and his Journey for 9/11 crew start the trek across the country in September 2007 at the George Washington Bridge in Manhattan's far Upper West side. (Photo courtesy of A Journey for 9/11)

George Martin gives a thumbs-up to passing motorists during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

Historical fire engines set the scene for George Martin's recognition ceremony at the Hall of Flame Firefighter Museum in Phoenix, AZ on May 22, 2008. (Photo by Carly Chamberlin/NFL.com)

Retired fire fighter's and policemen greeted Martin and the rest of the Journey For 9/11 crew as they arrived at the recognition ceremony at the Hall of Flame Firefighter Museum in Phoenix, AZ on May 22, 2008. (Photo by Carly Chamberlin/NFL.com)

Former teammates on the New York Giants Harry Carson, left, and George Martin celebrate the completion of 10 miles during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

Martin displays a weathered quarter, the first piece of money he found during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. He always picks up loose change along the road to contribute to the cause. (Photo by Carly Chamberlin/NFL.com)

The desert of Arizona is Martin's backdrop during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

A drum and fife band leads George Martin into the recognition ceremony at the Hall of Flame Firefighter Museum in Phoenix, AZ on May 22, 2008. (Photo by Carly Chamberlin/NFL.com)

The honor guard presents the colors during the recognition ceremony at the Hall of Flame Firefighter Museum in Phoenix, AZ on May 22, 2008. (Photo by Carly Chamberlin/NFL.com)

Good friends and teammates Harry Carson, left, and George Martin head down the road, followed by the Journey-mobile during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

George Martin poses with a retired fireman's hat after the recognition ceremony at the Hall of Flame Firefighter Museum in Phoenix, AZ on May 22, 2008. (Photo by Carly Chamberlin/NFL.com)

A young girl sits on the revamped firetruck-cum-catering mobile during a Barbecue with the Champs as part of George Martin's Journey for 9/11 in Tempe, AZ on May 23, 2008. (Photo by Carly Chamberlin/NFL.com)

The Buckeye Fire Department escorts George Martin, front, Harry Carson, left, and the Journey crew during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

A patchwork flag created by Phoenix resident Randy Cooney, features the flags of all 50 states and the names of those who lost their lives on 9/11. The flag was raised before a 5K Memorial walk for George Martin's A Journey for 9/11 along Tempe Town Lake in Tempe, AZ on May 23, 2008. (Photo by Carly Chamberlin)

The desert scenery provides a backdrop during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

Martin takes long strides down the road during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

A revamped firetruck/catering mobile serves the food for "A Barbecue with the Champs" as part of the fundraising efforts for George Martin's A Journey for 9/11 in Tempe, AZ on May 23, 2008. (Photo by Carly Chamberlin/NFL.com)

Harry Carson, left, and George Martin, right, pose with Jackie Meck, the mayor of Buckeye, during a send-off for a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

George Martin, second left, grants an interview to Lee Reeves, the manager of the Journey, surrounded by former New York Giant's teammates, Maurice Carthon, the Arizona Cardinal's running backs coach, Hall-of-Famer Harry Carson, and Stacy Robinson. Behind them, a revamped firetruck-cum-catering mobile serves the food for A Barbecue with the Champs as part of the fundraising efforts for George Martin's A Journey for 9/11 in Tempe, AZ on May 23, 2008. (Photo by Carly Chamberlin/NFL.com)

George Martin and his wife Diane take rare break to eat during A Barbecue with the Champs as part of the fundraising efforts for George Martin's A Journey for 9/11 in Tempe, AZ on May 23, 2008. (Photo by Carly Chamberlin/NFL.com)

George Martin accepts a book on the history of Buckeye from the Mayor's wife Verlyne Meck during a send-off ceremony before a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

Retired firefighters listen to George Martin speak during a recognition ceremony at the Hall of Flame Firefighter Museum in Phoenix, AZ on May 22, 2008. (Photo by Carly Chamberlin/NFL.com)

Martin stops on every bridge he crosses to look for fish, including this one at Gila Bend, during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. (Photo by Carly Chamberlin/NFL.com)

Martin shows off a wedding band he found along the road during a day of walking west from Buckeye, AZ on May 24, 2008 as part of George Martin's Journey for 9/11. He wears it on the pinkie finger of his left hand to symbolize his commitment to the Journey. (Photo by Carly Chamberlin/NFL.com)

Stacy Robinson, a former teammate of George Martin, takes a rest during a 5K Memorial walk along Tempe Town Lake in Tempe, AZ on May 23, 2008. (Photo by Carly Chamberlin)

Children in Sawyer's Mill, TN celebrate George Martin's 1000th Mile at a school assembly as he passes through their town on December 13, 2007 as part of his Journey for 9/11, an on-foot odyssey across the country. (Photo courtesy of A Journey for 9/11)

George Martin, right, and Lee Reeves, the manager of A Journey for 9/11, fight through cold conditions during Martin's on-foot travels across America. (Photo courtesy of A Journey for 9/11)

George Martin pays his respects at the memorial for the Oklahoma City bombing as his Journey for 9/11 crosses through town. (Photo courtesy of A Journey for 9/11)