WASHINGTON, DC (NSS PR) — The National Space Society (NSS) congratulates the “Space Solar Power D3” team on making it to the winners circle in a Department of Defense (DOD) competition to find promising new technology ideas that could simultaneously advance diplomacy, development and defense. Space Solar Power (SSP) is among only six winners out of 500 entries for the DOD’s first innovation challenge for the D3 (Diplomacy, Development, Defense) Summit.