Netcraft reports that army.mil is running Windows 2000 on IIS 5...
Netcraft.com server hosting report
Army.com, Goarmy.com, and Armyjobs.com are all running either Linux/Apache or Solaris/SunOne...
Netcraft reports that army.mil is running Windows 2000 on IIS 5... Nope... using your URL, army.mil, returns a "Failed to open page" and "Safari can't find the server army.mil".
However, when you use the real Army website www.army.mil you get the following response: