Douglas B-18A Bolo During Restoration McChord AFB 1998 This picture illustrates the 90 degree to the right position of some of the Co-Pilot instruments; Manifold Pressure, RPM, Carb & Oil Temperature gauges. 26 Feb 97 This B-18 machine gun was made from "scratch" by volunteer Len Vail. Len flew the C-119G for the USAF 1958 to 1968