"Militaries need fast and powerful machines in the air. Fighter jets, cargo planes, and other amazing aircraft zoom over land and water to get the job done!"--Provided by publisher.
"Militaries use robots and drones in the air, on the ground, and underwater all around the world. Drones spy on targets and robots disable bombs to get the job done!"--Provided by publisher.
"Militaries need tough fighting machines on land. Tanks and other vehicles roll through deserts and speed through rugged mountains to get the job done!"--Provided by publisher.
