anchor
armed
battleship
blue
boat
carrier
communications
concepts
copy
destroyer
equipment
flag
forces
frame
gray
gun
harbor
history
ideas
industrial
industry
large
locations
made
man
mast
military
missile
national
nautical
navy
power
protection
radar
rise
sea
ship
side
sky
steel
surveillance
symbol
technology
tower
transportation
travel
vessel
war
warship
water