As Elijah was taken up, Elisha cried, "My father, my father, the chariots and ___ of Israel!"

Answer: Horsemen

Elisha cried out as Elijah went up in the whirlwind, then saw him no more and tore his own clothes in two.

“As Elisha watched, he cried out, “My father, my father, the chariots and horsemen of Israel!” And he saw Elijah no more. So taking hold of his own clothes, he tore them in two.”— 2 Kings 2:12 (BSB)