Getty Images for CCMA
Lee's pre-game performance will honor troops from the San Antonio area who have died during the wars in Iraq and Afghanistan over the past decade. Members of Lackland Air Force Base 37th Training Wing will unfurl an American flag as big as the football field while he sings.
'God Bless the USA' has been a beloved patriotic anthem since it hit the airwaves in 1983. Lee's latest release is the seven song EP, 'I Want to Be in Your World,' and his new book is scheduled to hit stores next spring.
The Valero Alamo Bowl airs Dec. 29 at 9:00 PM ET on ESPN.