The STP-SIV program represents a great forward in terms of technological advancements for the US Air Force. Evolving from a need to make available a cost-effective, standart satellite model, able to accomodate a range of payloads for the US DoD, the STP-SIV program is providing to be highly successful and could rapidly speed up access to new technologies. GMC looks at the background to the program and speaks to a US Air Force spokesperson from the Space Development and Test Directorate to find out more.