Thinking of gifts for your cadet, family or friends -- consider purchasing a USAFAPAWS challenge coin. Cost is $10, ($5 of which is a tax-deductible donation to the club) plus actual charges for shipping via USPS.
The below link is a little history of the challenge coin. Bottom line, if you are challenged and don't have a coin then you are buying the drinks. If you are challenged and have a challenge coin, then the other person has to buy the drinks. Challenge wisely!