antenna
barb
barbed
base
black and white
broadcasting
bw
camp
cape
colony
copy space
cyprus
danger
dangerous
defense
desert
escape
fence
forbidden
greco
impossible
island
jail
landscape
mediumwave
military
military base
mountain
net
nobody
peninsula
prison
protect
protected
protection
radar
radar station
radio
relay station
restricted
rocky
safety
secret
security
sky
stone
summer
war
wire
wired