The Miami Heat's Big Three -- Dwyane Wade, LeBron James and Chris Bosh -- just met their match in firepower ... the U.S. Air Force.
Fully armed military police officers -- complete with bomb sniffing dogs -- performed tight security checks outside the Heat's first practice ... held today on Hurlburt Field Air Force Base in Florida.
See NBA? It's not impossible to defend the Heat.
Miami Heat Practice -- Big Guns for LeBron & Co.
9/28/2010 5:00 PM PDT BY TMZ STAFF
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