The Department of Defense is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces. The Department is also the largest employer in the world, with more than 2.13 million active duty servicemen and women as well as their support staff of civilian workers. Adding to the total is over 1.1 million National Guardsmen and Reservists from the four services, bringing the total to just over 3.2 million employees. It is headquartered at the Pentagon in Arlington, Virginia, just outside of Washington D.C.
The mission of the Energy Department is to ensure America’s security and prosperity by addressing its energy, environmental and nuclear challenges through transformative science and technology solutions.
The Environmental Protection Agency's mission is to protect human health and the environment by developing and enforcing regulations, giving grants, studying environmental issues, forming sponsor partnerships, teaching people about the environment and publishing information.
SPAWAR is one of the Navy's acquisition commands. They provide the hardware and software to connect US warfighters at sea, on land and in the air. They support the full lifecycle of product and service delivery from the initial research and development, to acquisition and deployment, to operations and logistics support.
The USDA provides leadership on food, agriculture, natural resources, rural development, nutrition, and related issues based on public policy, the best available science, and effective management.
They have a vision to provide economic opportunity through innovation, helping rural America to thrive; to promote agriculture production that better nourishes Americans while also helping feed others throughout the world; and to preserve our Nation's natural resources through conservation, restored forests, improved watersheds, and healthy private working lands.
GSA provides workplaces by constructing, managing, and preserving government buildings and by leasing and managing commercial real estate. GSA's acquisition solutions offer private sector professional services, equipment, supplies, and IT to government organizations and the military. GSA also promotes management best practices and efficient government operations through the development of governmentwide policies.
The mission of the Navy is to maintain, train and equip combat-ready Naval forces capable of winning wars, deterring aggression and maintaining freedom of the seas.
The mission of U.S. Cyber Challenge (USCC) is to significantly reduce the shortage in today’s cyber workforce by serving as the premier program to identify, attract, recruit and place the next generation of cybersecurity professionals. USCC’s goal is to find 10,000 of America’s best and brightest to fill the ranks of cybersecurity professionals where their skills can be of the greatest value to the nation. USCC works with the cybersecurity community to bring accessible, compelling programs that motivate students and professionals to pursue education, development, and career opportunities in cybersecurity. "Together we protect the cybersecurity infrastructure of our nation."