The largest NATO exercise since 2002, Trident Junture included land, air, naval and special forces units from 33 countries (28 NATO plus five allies). More than 36,000 personnel participated in Exercise Trident Juncture 2015. The exercise was split in two parts. The kick off was on 28th September and the live military training element of the exercise opened on October 19, and wraped up on November 6. The exercise included more than 230 units, more than 200 aircraft and more than 60 ships.