The Proba-V satellite was secured onto the SSIS, or Small Satellite Interface System, which includes the separation system and the interface to the Vespa - Vega Secondary Payload Adapter. Note the protective perspex covers on the solar panels. On 2 April the Proba-V-SSIS composite was moved from the S1C to S5C, building where it would be fitted atop the Vespa.
Proba-V will make the journey into orbit on board ESA's Vega launcher, flight VV02, in May 2013.