The National Geospatial-Intelligence Agency (NGA) has posted the MAMMOTH Comnmercial Solutions Opening (CSO) to the CLASSIFIED Intelligence-Community Acquisition Research Center (IC-ARC) website under solicitation number HM047626SC001. Interested parties must have a classified IC-ARC account to access the classified IC-ARC website at https://acq-ui.ace.proj.nro.ic.gov/. To obtain a classified IC-ARC account, please contact the Classified IC-ARC Technical Support team at the following information: Classified Email - ACEHELPDESK@ace.svc.nro.ic.gov to request an account. For questions, please contact ACE help desk: Secure line: 855-4223