They (Ibid. 14:7): "And he took six hundred chosen chariots." You, likewise (Ibid. 15:4): "and the élite of his officers were mired in the sea. They placed (Ibid. 14:7) "officers upon all of them"; You, likewise, (Ibid. 17:5) [He mired them there] "so that the waters should [return and] cover them."
Pharaoh Assembled a Fearsome Force and He Took Six Hundred Chosen
Mekhilta Tractate Shirah 4:16