Wired
More troops, than ever are surviving their battlefield injuries, often overloading the military’s health care system. Massive blood shortages continue to plague military trauma care, and the problem is complicated by the remote, inaccessible locations of today’s war zones.

In 2008 Darpa the Pentagon’s blue-sky research arm, launched the Blood Pharming program, with the goal of manufacturing mega doses of universal-donor red blood units - O-negative using a compact, self-contained system.