Marines have different jobs.Many marines perform combat duties.Marines use binoculars and night-vision goggles to help them see.

The talk to each others with radios.
Marines use weapon to destory target.
Cannons called howitzers shoot explosive shells.
Some weapon fire powerful rocket.

Marines have powerful weapon.
The hight weight M-16 rifle quickly fire bullets.Marines can be enlisted members or officers.
Officers have higher rank than enlisted members.
All marines are ready for mission on short notice.
Thick armors on the AAVS protect the marines inside.
Marine pilot fly AV-8B Harrier jet.
Harrier can hover like helicopter.
The AH-IW SUPER COBRA helicopter attacks target on the ground.
Marines use it to protect troops.Abrams tanks fight enemy ground forces.
AAVS carry Marines in water and over land.