[MilCom] Willow Grove Airshow

[WA3YSU Mail]

In use at the twilight show last evening:         
Tower: 119.6 / 340.2         
Ground: 118.45                      
Performer To Announcer: 134.75        
Base Security Net: 165.1375         
Base EMS Net: 140.85                  
Emergency/Fire/EMS Alerts: 139.50       
WG F1 T-Line Net: 140.10          
WG F2 Fire Depart F2: 141.0      
WG F3 Fire Ops: 138.65        

Does anyone have any details of what the 'security issue' was that caused
the base lockdown around 6:30-7:30 PM?  Lots of security folks scrambling
and EMS and FD on standby at the scene.  Discussions about evacuations were
also taking place.