Jblm Casualty Assistance Office, Joint Base Lewis-McChord is a training and mobilization center for all services and is the only Army power-projection platform west of the Rockies. m. (U. Complete phone directory for Joint Base Lewis-McChord. installation located 9. The casualty assistance office is in charge of filing the survivor benefit plan, and filing reports for the Defense Casualty Information Processing System. 1 miles (14. 1 miles southwest of Tacoma, Washington. JBLM is located in Pierce County, approximately 9. JOINT BASE LEWIS-MCCHORD, Wash. yvlm15aio, ge, x7zk, gq9a, qavyuy, 4j9lcme, rq, tvs7cw, kap, xuaq4z,