This requirement is to provide engineering, analysis, and technical support to develop technical approaches, define and design architectures, and provide support to ongoing PM MC Programs and fielded systems; to include interdependencies with other PM MC systems and external U.S. Army complementary fielded systems. During support of this requirement, the contractor may be required to attend a variety of Technical meetings with the Government and other contractors and may be required to generate technical reports and studies, or draft deliverable documents in support of PM MC’s requirements.  The services are not commercial in nature, and there are no mandatory sources for the services, as required by FAR Part 8.