I know long range artillery make corrections for it, not sure about us though....
Artillery and Coriolis
More recent developments in the science of ballistics make the Coriolis effect more significant. For instance, a German gun of 21-cm bore called �Big Bertha� was used in 1918 to shell Paris from a distance of 122 km. Over such distances the inclusion of the Coriolis effect is at least as important as the consideration of deflection by the wind.
Its all to do with reference frames, so probably has an effect on INS?
Coriolis effect - Wikipedia, the free encyclopedia