There are four possible combinations of blood types namely: Type A (only antigen A), Type B (only antigen B), Type AB (both antigens A and B), and Type O (neither antigens A nor B). This is referred to as the ABO blood typing system. In addition, red blood cells have a Rhesus factor or Rh, which is either present or absent. If the Rh factor is present, the cells are referred to as Rh positive.
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DFAS Military Service Deposit Payment. NOTICE: The identification number listed on your notification letter is required to complete this form. If you need to obtain the identification number or a copy of the notification letter, please contact DFAS at 800-729-3277. The Military Service Deposit Payment Form is intended for use by federal civilian employees to make payments on their Military Service Deposit amount due. This form cannot be utilized until after receipt of notification from the employee?s servicing payroll office indicating the amount due.