DARPA and CACI demonstrate optical satellite links . 19?May?2022 Low-Earth orbit demonstration last month supports U.S. National Defense Space Architecture. CACI has demonstrated low-orbit FSO intersatellite links. CACI International has announced that it has successfully demonstrated “space-to-space optical communications links in low earth orbit” with the U.S. Defense Advanced Research Projects Agency and the Space Development Agency – as part of the Mandra...