I - 15 North or I - 15 South to I - 40 East.
Exit at the second off ramp (Exit 2) to Marine Corps. Logistics Base.
Off ramp will take you to the front gate of MCLB Barstow.
Sentry will direct you to the field operations site, Bldg. 226.
Once you enter the gate, stay on Joseph L. Boll Ave.
We are the last building on the right before you reach the back gate.