Complex sentence: Joint Base Lewis-McChord (JBLM) is a United States military facility located south-southwest of Tacoma, Washington under the jurisdiction of the United States Army Joint Base Garrison, Joint Base Lewis-McChord.
Split into simpler sentences: Joint Base Lewis-McChord (JBLM) is a United States military facility located south-southwest of Tacoma, Washington. The facility is under the jurisdiction of the United States Army Joint Base Garrison, Joint Base Lewis-McChord.