show s b >! ship_b
              lcm hcm avail tech  $
fishing boat    4   2     2    0 $200
viking boat     5   2     2    0 $300
landing boat   10   4     4    0 $600
pirate boat     7   3     3    1 $400
cargo ship     10   4     4    5 $400
colony ship    20  10     9    8 $1000
slave ship     20  10     9    8 $1000
minesweep      25  25    16   20 $550
destroyer      25  35    20   20 $1100
ore ship       40  40    25   25 $2000
heavy cruiser  40  50    29   30 $3000
landing craft  40  40    25   30 $1200
patrol boat    20  10     9   40 $500
tanker         40  40    25   40 $4000
oil derrick    50  50    31   40 $2000
landing ship   40  40    25   70 $1200
submarine      40  30    21   70 $2200
battleship     55  65    38   90 $4000
aircraft carr  70  65    41  100 $4400
guided missil  20  30    17  130 $1500
fishing trawl  80  30    29  180 $6000
yacht          40  40    25  200 $2500
nuc aircraft   90  85    53  200 $5000
nuc attack su  70  70    43  320 $4000
nuc missile s  90  60    43  320 $5000
