The study aimed to investigate the economic impacts of outsourcing NDF fleet maintenance to civilian contractors. Specific objectives of the study include identifying reasons for outsourcing NDF fleet maintenance to civilian contractors, identifying procedures and methods used for outsourcing fleet maintenance and determining challenges associated with outsourcing NDF fleet maintenance to civilian contractors. The major findings of the study indicates that, lack of maintenance workshops, lack of skills among employees and lack of equipment are the main reasons why the organization outsources fleet maintenance to civilian contractors. The major challenges that hinder the outsourcing NDF fleet maintenance to civilian contractors are corruption, lack of educated transport managers and inflation. Poor budget allocation, disclosure of confidential information and promotion of employees were also found to be challenges of outsourcing.