10-David offers a SWAT 4 modification called Canadian Forces: Direct Action (thanks jimnms), which was actually released about a month ago. Word is: "After about a year of development, the training tool, based on SWAT4, to be used by soldiers and police to train and visualize operations in complex urban environments has been released to the public! Developed in conjunction with the Training Innovation Division of the Federal Law Enforcement Training Center CF:DA is a tool provided to military, police and security agencies free of charge to assist in your training requirements."