NATO allies hold joint exercises with Greece as tensions with Turkey escalate

Tensions between Turkey and Greece are escalating over oil and gas claims in the eastern Mediterranean. France, Greece, Cyprus, and Italy are conducting naval exercises west of Cyprus. Turkey's research vessel is exploring for oil and gas in disputed waters, accompanied by Turkish naval ships. The Greek General Staff shared media of a Greek-American naval exercise near Cyprus, involving the USS Winston S Churchill and American helicopters. The UAE is also participating by sending F16s to Crete for joint training.

What was the duration of the naval exercise conducted west of Cyprus?

What actions did the Greek General Staff take in response to the tensions?