heres a video explaining the emblem.

Space Delta 18 (DEL18) and the National Space Intelligence Center (NSIC), activated and established June 24, 2022 in Dayton, Ohio. A new organization under Space Operations Command, the DEL18 & NSIC Vision is: "We are The Nation’s Space Intelligence Center - providing Progressive, Predictive, and Pioneering intelligence to outwit, out-reach and WIN in the space domain; Protecting America and its allies in Space now and into the future." The emblem design incorporates elements from intelligence and space communities, NASIC heretage and looks to the future. Platinum is the distinctive color of Space Operations Command and represent the strength of SpOC’s uniformed and civilian Guardians, the rarity of its calling and the nobility of its mission. The SPHINX is the ancient symbol of wisdom and knowledge and the challenges NSIC analysts will solve. It is invoked out of pride in organization and traces its roots to the earliest days of intellegence. The sphinx sits omnipresent over the world, just like space domain and gazes upwards drawing eyes from the past into the future and the blackness of space. The NORTH STAR has eight points and symbolize the points of a compass. It displays how intelligence professionals will analyze and asses how to guide acquistions policymakers and war fighters.

https://www.dvidshub.net/video/848118/space-delta-18-national-space-intelligence-center-emblem-explainer