RE: "Gun Camera".....??
I use the standard cheap little color wireless cameras, it sends its signal to a base that has 2 RCA connectors, then I connect it to this [link=http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore.woa/wa/RSLID?mco=D5A58B21&nplm=TK629LL/A]LCD[/link]
It works great, maybe someday we will have 'buttoned up' battles where you can only use the LCD screen to pilot your tank.