Clear drones from 4 bases

           Restock at bases

                   I
           move  J   K  move
                   M

1, 2, 3* * * * * * * * * * * * * * speed

Space* * * * * center direction controls

H* * * *hyperspace & confirm destination

R* * * *short range sensors / viewscreen

F* * * * * * * * * * * * * * * * torpedo

S* * * * * * * * * * * * *toggle shields

B* * * * * * * * * * * * * base approach

Space* * * * * * * *cancel base approach