The rules that use the vocabulary item "platoon" are:

<platoon_noun-sing>

platoon

<formation_mod>

company <formation_setting-formation> platoon <formation_setting-subformation>

platoon <formation_setting-formation> squad <formation_setting-subformation>

<css_company_echelon>

armor battalion support platoon

mechanized battalion support platoon

<platoon_noun>

platoon