 Complete the following phrase:  After the devastation caused by Hurricane Katrina in September 2005, the brigade deployed 2nd Battalion, 227th Aviation Regiment, elements of 615th Aviation Support Battalion and the brigade command team to Louisiana to support disaster relief operations in New Orleans. Immediately upon redeployment, 2-227 AVN, 615th ASB and the brigade command team redeployed to East Texas to assist relief efforts in the wake of Hurricane Rita. Shortly after returning from the hurricane relief effort, the 2nd Battalion, 227th Aviation Regiment and 615th ASB were called upon to support a humanitarian aid mission in the aftermath of the 