The document summarizes the New Zealand Defense Force's (NZDF) response to the 2011 Christchurch earthquake. It discusses (1) the NZDF's involvement in relief efforts through Operation Awhina, with 1800 personnel deployed across the navy, army, and air force; (2) the psychological response which aimed to reduce stress through education and identifying at-risk personnel; and (3) lessons learned, including the need for responsive capability and supervision for personnel providing support.