The Department of Commerce, through NOAA, is modifying existing contracts for the Radio Occultation Data Buy 2 (RODB-2) program, which supports the Commercial Data Program under NESDIS. This action is conducted on a non-competitive basis, citing statutory authority for only one responsible source. No submission timelines or bid deadlines are provided in the description. No specific budget amounts are mentioned. The location for performance of services is not specified.