A platoon is the third smallest unit in the USNAA. It is normally composed of several squads to form various types of units. This is the smallest unit used by USNAA Air Defense units. Infantry (60 Soldiers) - 4 Infantry Squads - 1 Heavy Weapons Squad Heavy Weapons (48 Soldiers) - 3 Heavy Weapons Squads - 1 Infantry Squad Light Infantry (48 Soldiers) - 3 Light Infantry Squads - 1 Heavy Weapons Squad Armor (4 M1 Abrams) - 2 Armored Squads Mechanized Infantry (72 Soldiers/12 IFVs) - 4 Mechanized Infantry Squads Light Armor (4 LBT-1) - 2 Light Armored Squads Mortar Platoon - 5 Mortar Sections - 5 M1097 Avenger