It maintained that " As a rule, tanks are employed to assist the advance of infantry foot troops, either preceding or accompanying the infantry assault echelon ."
2.
Today, NBG-1 trains detachments to embark in amphibious ships, as part of an Assault Echelon, as well as deploying as the core of the Naval Support Element during Assault Follow-On Echelon operations.
3.
In the attack ( especially if part of the assault echelon ) or in a deliberate defense, rifle platoons are usually augmented with a two-man mortar forward observer team and are often reinforced with a seven-man machinegun squad and / or a four-man assault weapons squad.
4.
Each AA platoon is capable of transporting an entire Marine rifle company plus any dismounted attachments ( e . g ., mortar forward observer teams, anti-tank missile crews, scout / sniper or reconnaissance squads ) thus transforming into amphibious / mechanized infantry . ( One AA company is capable of transporting the assault echelon of a Marine infantry battalion . ) Although plans were in place to replace it with the Expeditionary Fighting Vehicle, the cancellation of the program is going to prolong use of the AAV.