UNSC Tactical Simulator

The , also known as TACSIM is a United Nations Space Command military training system aboard the UNSC Infinity that utilizes the same technology as the War Games training program.

History
The simulator was devised and implemented on board the UNSC Infinity at some point after early 2558. It recreates historical battles and presumably operates on the vessel's massive combat deck. Following the Second Battle of Requiem, all SPARTAN-IVs were required to train with the TACSIM, with the first battle recreated being the Battle of Draetheus V.

Trivia

 * The simulation allows users to utilize the exact same skills and equipment as the soldiers whose stories they relive.