This is a sources-sought advance notice for planning purposes only, not a solicitation. The NAICS code is 561710 with a size standard of $17.5M unless otherwise noted. Contractors must be registered in SAM via www.sam.gov, and prime contractors must be US-owned entities intending to submit a proposal. Interested organizations should submit written capabilities and qualifications, including DUNS number and Cage Code, to the identified point of contact; oral communications are not acceptable. Responses will be evaluated solely to determine whether to conduct the procurement competitively, with the Government retaining discretion, and attachments 1 and 2 provide more information.