The US Army is reviving a World War I practice — using soldiers as walking blood banks when helicopters can't fly

The US Army is reviving a World War I practice — using soldiers as walking blood banks when helicopters can't fly

tkUS Army National Guard photo by Staff Sgt. Sean Ferry, 114th Public Affairs DetachmentA recent US Army exercise looked at life-saving medical care when wounded troops can't be flown out.In an intense conflict, getting troops off the field or bringing in supplies could prove extremely difficult.The exercise revived the "walking blood bank" concept from World War I, using soldiers.Western troops may face deadlier fights in future wars. If helico…