<p>Two Thunderbirds on Friday perform a calypso pass, one of the maneuvers they will perform during the Mountain Madness Air Show.</p>
August 29, 2014
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August 29, 2014 8 p.m.
Thunderbirds ready for spectacle in the sky
It's showtime!
The Air Force Thunderbirds made their presence known over much of the Flathead Valley Friday afternoon, executing a practice session for this weekend’s Mountain Madness Air Show.