Scientific or technical information recorded in any form or medium (such as manuals and drawings) necessary to operate and maintain a defense system. Documentation of computer programs and related software are TD. Computer programs and related software are not TD. Also excluded are financial data or other information related to contract administration. One of the traditional elements of Logistics Support (LS). Rights in Technical Data (TD) The right for the government to acquire TD. If the government has funded or will fund a part of or the entire development of the item, component or process, then the government is entitled to unlimited rights in the TD. However, if the above is developed by a contractor or subcontractor exclusively at private expense, the government is entitled to limited rights. Such data must be unpublished and identified as limited rights data. See Limited Rights, Government Purpose License Rights, and Unlimited Rights.