== cmdfile.520 ==
    $SM_CC,640
    $HD_A,0.003836
    $HD_B,0.010078
    $HD_C,9.8541e-6
    $T_DIVE,15
    $D_TGT,45
    $T_MISSION,35
    $QUIT
== cmdfile.520.1 ==
    $SM_CC,640
    $HD_A,0.003836
    $HD_B,0.010078
    $HD_C,9.8541e-6
    $T_DIVE,15
    $D_TGT,45
    $T_MISSION,35
    $QUIT
== cmdfile.520.3 ==
    $SM_CC,640
    $HD_A,0.003836
    $HD_B,0.010078
    $HD_C,9.8541e-6
    $T_DIVE,30
    $D_TGT,90
    $T_MISSION,75
    $RESUME