BETHESDA, Md. (WUSA) -- If you're attending the A T & T National Golf Tournament at the Congressional Country Club, you may need to brush up on the special etiquette of being a golf spectator.

See what Kristen Berset has to say from the course, and notice those special military caddies in the video above.

And stay tuned: We'll continue with more golf coverage including a complete wrap-up with Washington Post Golf writer Barry Svrluga for the AT&T National Clubhouse report Wednesday night at 11:30.

COMPLETE COVERAGE: AT & T National Golf Tournament.