Marines from 2nd Recon Bn, BLT 1/9, 24th Marine Expeditionary Unit, conduct a Helo-casting mission out of the back of a CH53, and a Closed Circuit Dive while doing sustainment training in Djibouti. The 24th MEU remains as one of the most expedient units and rapid-response force ready to perform a full scale of missions ranging from humanitarian relief to full-scale combat operations.