Non-standard display of individual blood type is a growing trend in US armed forces.
Morgan
Andrew R
AR
Foley
Anthony M
AM
D001788:Blood Grouping and Crossmatching; D001803:Blood Transfusion / Q000592:standards*; D003219:Confidentiality; D004633:Emergency Medical Tags / Q000592:standards*; D005260:Female; D006801:Humans; D008297:Male; D008887:Military Medicine / Q000592:standards*; D008889:Military Personnel / Q000145:classification*; D010355:Patient Identification Systems / Q000592:standards; D014481:United States