They are recorded in the correspondence of the 1350 BC Amarna letters, and were often requested to defend against the Habiru, also rogue vassal-kings and foreign troops of neighboring kingdoms (for example, Hatti), who were on the attack.
A request for lodging, and preparations of food, drink, straw, and other supplies required,[1] is often demanded by the pharaoh, for a small, or a large contingent.
The pitati archer force were mercenaries from the southern Egyptian "land of Kush" (named Kaša, or Kaši in the letters).
A vassal–state letter example from Hiziru, a "mayor", often referred to as the "Man (Lugal) of the City", in ancient Palestine is EA 337, entitled "Abundant supplies ready".
-EA 269, lines 1-17 (complete)Part of the debate in analyzing the army-archer-force is whether the army just annually accompanied the pharaoh's commissioner or envoy and were then extracting tribute, or whether the archer-force duty was strictly military, and in support of the Egyptian borderlands control and influence.