Simple As That

Technical Java
1

See below

2 
public class AutoAim extends NeverEndingCommand{
    
    public String currentCommand = new FaceNorthAimCenter().getName();

    protected void initialize() {
    }

    protected void execute() {
        if(Bob.dt.isFacingEast() && 
                ! currentCommand.equalsIgnoreCase(new FaceEast().getName())){
            currentCommand = new FaceEast().getName();
            new FaceEast().start();
        }else if (Bob.dt.isFacingWest() &&
                !currentCommand.equalsIgnoreCase(new FaceWest().getName())){
            currentCommand = new FaceWest().getName();
            new FaceWest().start();
        }else if(!currentCommand.equalsIgnoreCase(new FaceNorthAimCenter().getName())){
            currentCommand = new FaceNorthAimCenter().getName();
            new FaceNorthAimCenter().start();
        }else{
            //do nothing, the right command is alreay executing
        }
    }
    
}