This article covers the insights and lessons learned by Ukrainian Military Chaplains, detailing their supportive presence within military units and the essential role of confidentiality as a release valve for military personnel and their work in morality, ethics and character formation to preserve soldier’s humanity and building resilience. The analysis also examines complex spiritual and existential challenges faced by Military Chaplains, the personal impacts of the war on them and their methods for sustaining spiritual resilience and well-being.Findings highlight the critical, adaptable support that Military Chaplains provide to military personnel under extreme conditions, and they reveal how the wartime context has shaped their collaboration with mental health providers. The study also identifies desired qualities in wartime Military Chaplains and underscores the importance of church and religious organizations in supporting grieving families, and in facilitating social and charitable activities. This research provides unique insights into the chaplaincy work of some of the most experienced wartime Military Chaplains in Ukraine.