Denmark is eyeing up the military threat from Russia – and dramatically increasing the numbers in its national service. Now, 18-year-old girls are facing a call up.

The BBC has been granted rare access to a military base on the outskirts of Copenhagen to see the newest recruits learn how to operate on the battlefield.

Anna Holligan attends a “Defences Day” where teenagers find out whether they’re fit to serve, and draw a conscription lottery ticket that could shape their future.

This episode of The Documentary comes to you from Assignment, investigations and journeys into the heart of global events.