Answer : 2. "Eielson Air Force Base, Alaska"
Explanation :

A contingent of the Indian Air Force participated in Exercise Red Flag 2024 held from 04 June to 14 June 24 at the United States Air Force's Eielson Air Force Base, Alaska. This was the second edition of Red Flag 2024, which is conducted four times a year by the US Air Force. Apart from India, the Air Forces of Singapore, United Kingdom and Netherlands also participated in this exercise.