mil or .mil
the mil in .mil means military
One of several top-level domains assigned to URLs owned by the U.S. military (for example: www.af.mil is the URL for the U.S. Air Force). Other domains include .ac, .com, .gov, .net, .edu, .org, and a long list of country codes. For a list of new suffixes, read the domain name definition.
NetLingo Classification: Technical Terms