Things are going to be sporty when those that didn't get the memo arrive without cash.
I don't think it a profit-thing as much as a funding support-thing in these times.
When I posted earlier -- I missed the following info at the bottom of the news article. Cash may not be a necessity if you purchase a season parking pass in advance --
The fee will be cash only on game day, however fans can purchase a season parking pass in advance for $30, averaging $5 per game.
For more information, or to purchase the advance season pass, visit the Athletics Ticket Office, or call 472-1895.
Ah yes, the Air Force suffers from funding support issues....
Honestly though, if you aren't carrying cash when attending a sporting event, my friend Darwin wants to talk to you.