Equipment, material, supplies, and services required for special operations missions for which there is no Service-common requirement. These are limited to items and services initially designed for, or used by, special operations forces until adopted for Service-common use by one or more Military Service; modifications approved by the Commander, US Special Operations Command for application to standard items and services used by the Military Services; and items and services approved by the Commander, US Special Operations Command as critically urgent for the immediate accomplishment of a special operations mission.