Second Modifier	Category	Code	Remarks
{Disused}		01
{Disused}		02
{Disused}		03
Boom–Only	Re-Fueling Capability	04	Used with tanker only.
Drogue–Only	Re-Fueling Capability	05	Used with tanker only.
Boom and Drogue	Re-Fueling Capability	06	Used with tanker only.
{Disused}		07
{Disused}		08
{Disused}		09
{Disused}		10
Downlinked	Track Link Availability	11
{Disused}		12