This is a justification for a sole-source, firm-fixed-price contract for a 12-month period to Harbor Fed Con LLC for the lease, maintenance, teardown, and removal of a specific modular facility. The services must be performed at Robins AFB, where the existing facility houses approximately 150 employees. The justification states that only this company can fulfill the requirement without causing an unacceptable mission impact, as they are the original manufacturer of the installed facility.