tanks & airplanes
World War 1 introduced aerial warfare with airplanes and trench warfare
airplanes and tanks
300,020 airplanes where used in world war 1
300,020 airplanes where used in World War 1
Sonar was not introduced in World War 1.
battlefront trenches airplanes and tanks. battlefront trenches airplanes and tanks.
Airplanes were mostly used as Spy Planes in World War 1.
i think why they use airplanes toprotect them
people
there were no airplanes in the word war 1. __ The use of airplanes in the military pre-dates WW1. Airplanes were used for recon, bombing missions and fighters.
Reconnasissance (scouting).