What are the key missions and goals identified in the 2012 Department of Homeland Security Strategic Plan?

What are the key missions and goals identified in the 2012 Department of Homeland Security Strategic Plan?
Please cite or reference the textbook:Introduction to Homeland Security: Policy, Organization, and AdministrationWillard M. Oliver, Nancy E. Marion, Joshua B. Hill, 2015Jones and BartlettISBN.13: 978-1-284-04583-3