Oh yeah, they're in play for the SEC.
"The Big East expansion plan could include service academies Army, Navy and Air Force in addition to East Carolina, Central Florida, Memphis, Temple and current Big East member Villanova, which plays in the Football Championship Subdivision."
http://content.usatoday.com/communities/campusrivalry/post/2011/10/big-east-football-expansion-12-teams/1
"The Big East expansion plan could include service academies Army, Navy and Air Force in addition to East Carolina, Central Florida, Memphis, Temple and current Big East member Villanova, which plays in the Football Championship Subdivision."
http://content.usatoday.com/communities/campusrivalry/post/2011/10/big-east-football-expansion-12-teams/1