19 May Heritage Foundation paper - When Should the Government Use Contractors to Support Military Operations?.

Military contractors are currently assisting militaries around the world with missions that range from training and supply chain management to fighting in battles. Military contractors are seen as having inherent advantages over militaries in resource constraints, manpower, and flexibility. Yet relying on military contractors has its share of risks, including potential shortfalls in mission success, concerns over the safety of contractors, loss of resources because a capability is outsourced, loss of total force management, and problems of compliance with administrative law.

With the increased use of military contractors and the advent of privatized military firms, the question is how to determine the right force mix to complete a task or mission in the most effective and efficient manner. Sometimes, military contractors may be the best choice; however, they are not a perfect fit for every mission or the right solution for all skill and manpower shortages.

When considering the use of military contractors, U.S. military leaders should assess the risks of employing the various options and then choose the best one. The Department of Defense (DOD) should adopt comprehensive guidelines for making these decisions, using a risk-based approach...