Question

How are the two eagles soaring through the air related to Zeus?

Answer 1

 Zeus sends the two eagles down to attack the suitors as an omen of death/revenge.

Answer 2

The Aetos Dios was a golden, giant eagle. This eagle served as Zeus' personal messenger and it was also his animal companion. That is one of the reasons that eagles are frequently correlated to Zeus. In The Odyssey, Zeus sends eagles soaring through the air as omens of death, according to Halitherses. Telemachus says that two eagles that come down from the mountains and tear each other to pieces.