英文關鍵字
administration
aero
airplane
airport
antenna
approach
army
aviation
beep
blip
communicate
communication
conflict
control
coordinates
defense
detect
faa
federal
flight
fly
futuristic
global
gps
imaging
international
marines
military
navy
plane
radar
radio
rescue
rotating
satellite
sci
search
sonar
sos
space
spinning
surveillance
system
technology
tower
tracking
traffic
travel
war
zone