Military Unit. For every 44 hit points lost by the platoon, it becomes capable of one fewer attack if it uses multiattack. 

Morale. For every 44 hit points by the platoon, make a morale save against charisma (DC 14), it it fails the save, it becomes demoralized, and must, if possible, use either a disengage or dash action to attempt to flee from the battlefield. If it has 44 or fewer hit points, or it is demoralized when it fails a charisma save the platoon is destroyed. If the unit is demoralized it may attempt a DC 15 charisma save. If it succeeds, the it loses demoralized and may act normally. 

Brace. The platoon may, if it has 88 or more hit points sacrifice its movement for the turn, bracing their polearms has advantage on attacks made until the end of its turn, and may until the start of its next turn, use its reaction to make four melee attacks against any hostile creature of a large size or larger, that has moved into its reach this turn.

Multiattack. The Platoon of Urban Militia make four melee attacks.

Pikes and Halberds. Melee Weapon Attack: +3 to hit, reach 10 ft., one target. Hit: 24 (4d10 + 4) piercing or slashing damage.