This is a solicitation for a five-year grounds maintenance service contract at Kunsan Air Base in the Republic of Korea. The contractor will provide all necessary personnel and equipment to maintain vegetation and ensure a professional appearance across the base. Performance will be evaluated based on results, not methods, with the contractor determining the best frequencies to achieve the required service level. The work must comply with a specific set of U.S. and Korean federal regulations, USFK policies, and local natural resource plans. An amendment has extended the service period for certain line items from six to seven months to cover the entire growing season.