作者：adam herbert 10 年以前
688
department of homeland security
department of homeland security
year founded 2002
the leader is secrtary jeh johnson
purpose
ensure resilience to disasters
safeguard and secure cyberspace
enforce and administer our immigration laws
secure and manage our borders
prevent terroism and enhancing security
a safer, more secure america, which is resilient against terrorism and other potential threats
to secure the nation from many threats we face
