Notify your your superior officer two months in advance of your attendance status.

"Run Up the Elevating Screw and Give 'Em Hell, Boys!" by: Rick Reeves.
Brigadier General John Gibbon and Battery B, 4^th U.S. Light Artillery at Antietam.

Since we are supposed to meet at the Sussex Armory to get the Gun, here is how to get there.

It might be a good idea before leaving for an event to check the radar. Here are a few good sites.
Intellicast U.S. Radar.
Intellicast U.S. Radar Loop.
Intellicast Midwest Radar.
Intellicast Midwest Radar Loop.

(Tier one events are in bold.)