- for the Left ABM Site: 1, Q, A or Z
- for the Center ABM Site: 2, W, S or X
- for the Right ABM Site: 3, E, D or C
You may also use the Left Mouse Button to fire missiles in which case, the Targeting Computer will fire from the closest ABM Site
The Right Mouse Button is the Boss Button, so be sure to have your Editor/Word Processor/Spreadsheet up and running behind ABM Command.