 In some countries, such as Canada, Spain, the United States and the United Kingdom, members of the reserve forces are civilians who maintain military skills by training, typically one weekend a month.They may do so as individuals or as members of standing reserve regiments, for example the Army Reserve of the United Kingdom.In some cases a militia, home guard, state guard, or State Military could constitute part of a military reserve forces, such as the United States National Guard, the Norwegian Home Guard, the Swedish Home Guard, or the Danish Home Guard.