The thin red line: Blood planning factors and the enduring need for a robust military blood system to support combat operations. - Gurney JM; Cap AP; Holcomb JB; Staudt AM; Tadlock MD; Polk TM; Davis C; Corley JB; Schreiber MA; Beckett A; Spott MA; Shackelford SA; et al. (The journal of trauma and acute care surgery, 2024)