Military simulations, also known informally as war games, are simulations in which theories of warfare can be tested and refined without the need for actual .\r<br>\r<br>\r<br>\r<br>Millennium Challenge 2002 (MC02) war game was the first demonstration of a large-scale, high-level-architecture (HLA) simulation consisting of service .\r<br>\r<br>Millennium Challenge 2002 (MC02) war game was the first demonstration of a large-scale, high-level-architecture (HLA) simulation consisting of service .\r<br>\r<br>Millennium Challenge 2002 (MC02) war game was the first demonstration of a large-scale, high-level-architecture (HLA) simulation consisting of service .