In this conversation, Dennis and John discuss chest trauma management, specifically the use of chest seals and the sequence of interventions. They explore the overuse of chest seals and the potential complications they can cause. They also discuss the importance of assessing the patient and determining if a chest seal is necessary. John shares his insights on the use of finger thoracostomy and the technique for performing it. They also touch on the revision of the TCCC algorithm and the need to prioritize hemorrhage control. The conversation explores the challenges and approaches in operational medicine, emphasizing the need to align policy and guidelines with the experiences of field practitioners. It highlights the importance of preserving the rich experience and lessons learned by experienced personnel. The discussion also delves into the management of chest trauma, specifically focusing on emergent situations and the challenges in current practices. The conversation concludes with the anticipation of future discussions and the potential for further exploration of the topics.