A surprising number of bicycles were used in service by the allies and the axis powers during WWII. Watch the old "World At War" series or some of the other news real type shows available to us now. You'll see a lot of bicycles in use by messengers and such. Someone had to manufacture these. Raleigh and others combined there production facilities to produce war materials and service bicycles in England.
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Semper Fi, USMC, 1975-1977
I Can Do All Things Through Him, Who Gives Me Strength. Philippians 4:13