On the impact of relationships, Carla's father gave her advice which she followed throughout her career and leadership skills came from senior officers. Jackie found relationships that supported and challenged her had most impact. Challenges in relationships for Carla were based on being one of few women in the USAF at the start of her career. Jackie unintentionally upset and lost a good friend by writing about her and this was an important lesson. Carla and Jackie recommend their favourite resources.