DHS Office of Homeland Security Situational Awareness thumb|OSA Logo The Office of Homeland Security Situational Awareness (OSA) provides operations coordination, information sharing, situational awareness, common operating picture, and executes the Secretary's responsibilities across the homeland security enterprise.
DHS Office of Homeland Security Situational Awareness thumb|OSA Logo The Office of Homeland Security Situational Awareness (OSA) provides operations coordination, information sharing, situational awareness common operating picture, and execu,tes the Secretary's responsibilities across the homeland security enterprise.