A spacecraft adapter (10) having embedded resources for supporting a non-primary payload on a launch vehicle (12). The spacecraft adapter (10) includes a battery, a power distribution and control system, and an interface circuit for interfacing with the non- primary payload. Other modules/subsystems such as data storage, sensor and data interface and communications may be included to suit the needs of a particular non- primary payload and/or particular mission of the non-primary payload. The adapter (10) does not require any interfacing with the bus of the primary payload and can be scaled/modified as needed to provide only that degree of functionality needed for a given non-primary payload being carried by the launch vehicle (12).
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