SUBMARINES
detection hampered by otters and mink: g97 1/8 29
drug smuggling: g01 5/22 28-29
examples in creation: g86 9/22 14-15
life story of Engineer Officer: g 11/09 12-14
use in warfare: w88 10/1 6-7
destructive capacity of missiles: w88 10/1 4; g88 4/8 8; g86 5/22 3-4
Japanese suicide missions: g91 1/22 9-12
World War II: w88 10/1 6