Finland's training troops come from all branches of the Finnish Defence Forces

More than 1,000 Finnish soldiers from the Army, Navy and Air Force as well as the Defence Forces Logistics Command will participate in the Aurora 23 exercise. Finland's exercise force is the largest of the nation’s participating in the exercise.  

The Army will feature a Jaeger Battalion from the Pori Brigade and an anti-aircraft squad from the Armoured Brigade. During the exercise, the Army's troops will be led by a Swedish brigade. The total strength of the squad is about 700 soldiers. 

The Navy participates in the exercise with the mine sweeper vessel Purunpää, two Hamina-class missile crafts and multi-purpose vessel Louhi, which serves as a support vessel. In addition to battleships, there are coastal troops from the Nyland Brigade and the Coastal Brigade with their boat equipment.

About 100 people from the Air Force are participating in the exercise, including F/A 18 Hornet multi-role fighters and Hawk jet trainers.

Finnish experts will also participate in the cyber defence simulations of the exercise.

Chief of Education of the Defence Staff, Colonel Kari Pietiläinen, acts as the national senior. The position will be held by Colonel Vesa Helminen on 7–12.5.