DALLAS -- As the football action begins to heat up on the gridiron, Army & Air Force Exchange Service shoppers have a chance to score big with the Unilever Ultimate Home Theater Sweepstakes. Two grand-prize winners will each receive a home theater system with an approximate retail value of $2,500."This is a great way for families to enjoy all the excitement of the college bowl games as well as the NFL playoffs," said U.S. Army Lt. Col. Thomas Shrader, Exchange Plans Officer.Entry forms for the Unilever Ultimate Home Theater Sweepstakes are available at Exchange stores worldwide from Oct. 3 to Oct. 30. Authorized shoppers 18 years or older can enter and no purchase is necessary. The drawing will take place on or about Dec. 11.