A football with a Salute to Service emblem rests on the field in Houston. (Photo by Eric Gay/Associated Press)

Tennessee Titans owner Bud Adams greets soldiers from Fort Campbell, Kentucky before the Titans face the Bears in Nashville. (Photo by Wade Payne/Associated Press)

Indianapolis Colts free safety Antoine Bethea is escorted by a member of the military during introductions. (Photo by Darron Cummings/Associated Press)

Houston Texans cheerleaders perform during the Texans' game against the Buffalo Bills in Houston. (Photo by Eric Gay/Associated Press)

Indianapolis Colts cheerleaders salute the military before the Colts – Dolphins game. (Photo by Darron Cummings/Associated Press)

Fans honor those who serve the country before the Packers - Cardinals game in Green Bay. (Photo by Jeffrey Phelps/Associated Press)

Houston Texans' Antonio Smith takes the field in Houston. (Photo by Dave Einsel/Associated Press)

A band from Fort Campbell, Kentucky performs at halftime of the Titans – Bears game. Photo by (Wade Payne/Associated Press)

A Tampa Bay Buccaneers cheerleader, wear a military-inspired outfit as part of the NFL's Salute to Service program, flips her hair during a game between the Buccaneers and San Diego Chargers in Tampa, on November 11, 2012. (Photo by Phelan M. Ebenhack/Associated Press)

Indianapolis Colts cheerleaders participate in the NFL's Salute to Service campaign to honor the armed forces by wearing military-styled uniforms during the Colts' game against the Dolphins. (Photo by Allen Eyestone/The Palm Beach Post)

Texans cheerleaders, wearing outfits inspired by military uniforms, perform in Houston. (Photo by David J. Phillip/Associated Press)

Jacksonville Jaguars cheerleaders, wearing camouflage outfits, perform during the Jaguars' game against Indianapolis. (Photo by Stephen Morton/Associated Press)