Exodus 14:6

“And he made ready his chariot, etc.] Which he usually rode in when he went forth to war; for this seems to be a military chariot, and not for show or grandeur; and this was got ready not by himself, as Jarchi, but rather by his orders, as Aben Ezra: and took his people with him; the Greek version reads, “all his people”; not all his subjects, but his soldiers; at least a great number, and especially his cavalry.”

“he made ready his chariot--His preparations for an immediate and hot pursuit are here described: A difference is made between "the chosen chariots" and "the chariots of Egypt." The first evidently composed the king's guard, amounting to six hundred, and they are called "chosen," literally, "third men"; three men being allotted to each chariot, the charioteer and two warriors. As to "the chariots of Egypt," the common cars contained only two persons, one for driving and the other for fighting; sometimes only one person was in the chariot, the driver lashed the reins round his body and fought; infantry being totally unsuitable for a rapid pursuit, and the Egyptians having had no cavalry, the…”

“14:6-7 chariot: At this point in history, the Egyptian light chariot was the ultimate weapon. Pulled by three horses, it was swift and highly maneuverable. Sometimes it was manned by only one person, but some ancient illustrations show a driver with a warrior. The reference to a commander may indicate such two-man teams. The greatest military power in the world of that day was being marshaled against the Hebrews.”

“people: Exo 14:23; Num 21:23; Deu 2:32, Deu 3:1 Exodus 14:7”