CLEAN : NATO has 'over 100 jets at high alert' says chief

The transcript discusses a significant military deployment involving over 150,000 troops, fighter jets, and attack helicopters. Units are positioned in combat formations, ready to strike. Over 100 jets are on high alert, and more than 120 allied ships are deployed from the High North to the Mediterranean. The focus is on maintaining readiness and taking necessary actions to protect the alliance from aggression.

What types of military units are mentioned as being forward deployed?

What is the purpose of the military actions described in the text?