The ERS was a feature that allowed David Crenshaw to intercept an enemy aircraft, dodge a missile, or create a safe path through enemy territory with the help of paths represented by triangles on the plane's heads-up display using the on-board computer.
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- In the mobile version of Operation: Monarch, the pilot must follow an ERS path.
- Gameloft, the developer of the mobile version, also used ERS in Tom Clancy's Rainbow Six: Shadow Vanguard for the soldiers.