In the previous chapter the length of time that ASEAN had been responding to HIV/AIDS meant that it was a good case study for determining whether a functional approach, with its spillover in cooperation, was in evidence and whether this provided the post likely basis for a security community to form. In our last example of ASEAN cooperation we are also examining a matter that has been on the ASEAN agenda for sometime, although, as will be discovered, despite its longevity as an ASEAN issue it is only in the post-Cold War era, and specifically the first decade of the twenty-first century, that ASEAN has actively embarked upon disaster management.