There is no morally compelling reason to distinguish a doctor from a tank driver on the battlefield except for the fact that both sides agree to protect medical personnel.
During disasters and mass casualties, point-of-care ultrasound makes it possible to diagnose thoraco-abdominal injuries rapidly and accurately, offers a tool for procedure guidance, and has streamlined patient triage.
This article sketches the history of medical volunteerism in Africa from the early religious and colonial medical programs through current humanitarian programs, assessing the role of student volunteerism as well.