In the last few decades western militaries have been training more women for combat than ever, yet female recruitment and retention is stalling. But with warfare changing, new technologies and new threats, women soldiers are a vital resource. Victoria Hollingsworth talks with different women around the world, some on the frontline and others about to go, and explores the motivations and the challenges they face. Many have families and find juggling these two lives very hard and with little support. Away from the frontline many have faced sexism and worse from their own colleagues.