Philistine forces massed at the Yarkon River headwaters. Military commanders ordered formations of 100 and 1,000 men to line the banks. This staging ground at Aphek provided a flat expanse for assembling heavy infantry before the northern march. Rank inspections revealed Hebrew mercenaries marching alongside the rear guard.
The presence of these foreign fighters triggered immediate disputes among the coastal commanders. These leaders held authority over the fertile plains stretching 10 miles west to the Mediterranean Sea. Stratigraphic layers at Aphek place this military outpost firmly in the 11th century b.c. It functioned as a heavily guarded border fortress dividing the coastal lowlands from the inland hills.
Fortress commanders defending those hills refused to risk a rebellion on the battlefield. They forced their allied king to dismiss his hired Hebrew fighters before dawn. The rejected men gathered their weapons and turned south away from the water sources. They began a grueling retreat across miles of uneven terrain. Such rejections highlight a stark rule of ancient alliances.
A hired blade offers no security when the enemy shares a homeland.
This pragmatic approach to battlefield security left the dismissed fighters completely isolated. The men marched south for three days to reach their assigned territory. Upon arrival, they discovered their own settlement burned to the ground and their families missing. The remaining Philistine units simultaneously marched north to wage war at the Jezreel springs.