This is a sources sought notice for market research purposes only, not a solicitation. The government seeks capable sources to perform initial and final lube-oil flushing of Main Reduction Gear No. 1 onboard USS MCCAMPBELL (DDG-85). Performance will take place at the U.S. Naval Ship Repair Facility and Japan Regional Maintenance Center in Yokosuka, Japan, with an anticipated period of performance from 14 December 2026 through 28 December 2026. The contractor must provide all labor, materials, and equipment, and comply with NAVSEA Standard Item 009-97 regarding radiation protection. Interested parties should respond with capability statements, including relevant past performance and business status under NAICS 336611.