Lessons Learned Information Sharing (LLIS.gov) is the national network of Lessons Learned and Best Practices for emergency response providers and homeland security officials. LLIS.gov's secure, restricted-access information is designed to facilitate efforts to prevent, prepare for and respond to acts of terrorism and other incidents across all disciplines and communities throughout the US.

Secure: LLIS.gov is an encrypted system and all users are verified emergency response providers and homeland security officials.

Peer-validated content: All Lessons Learned and Best Practices are peer-validated by homeland security professionals.

After Action Reports and Information clearinghouse: LLIS houses an extensive catalog of AARs as well as an updated list of homeland security documents from DHS, and other Federal, State, and local organizations.