This is a sole-source solicitation for EOP Earth Momenta Services in support of the United States Naval Observatory, intended for a Firm Fixed Price contract with McCarthy Dennis. The government will consider any proposals or quotes submitted by the closing response time. The NAICS code is 541990, with a small business size standard of $19.5 million. The solicitation will be posted on Sam.gov on or before 26 May 2026. Performance of services will be at the United States Naval Observatory.