Once captured ?
However the US issued full jacket .38 special rounds,
from wiki;
During
World War II, some U.S. aircrew (primarily Navy and Marine Corps) were issued .38 Special
S&W Victory revolvers as sidearms in the event of a forced landing. In May 1943, a new .38 Special cartridge with a 158 grains (10.2 g), full-steel-jacketed, copper flash-coated bullet meeting the requirements of the
rules of land warfare was developed at
Springfield Armory and adopted for the Smith & Wesson revolvers.
[17] The new military .38 Special loading propelled its 158 grains (10.2 g) bullet at a standard 850 ft/s (260 m/s) from a 4-inch (100 mm) revolver barrel.
[17]
there were earlier full metal jacket civilian loadings.