use of the military grid in determining locations/reference points, distances, topography
XD6972 Basic Map Reading: Part II – Grid, Distance, and Elevation
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Thanks for your interest in the Periscope Film stock footage library. We maintain one of the largest collections of historic military, aviation and transportation in the USA. We provide free research and can provide viewing copies if you can let us know some of the specific types of material you are looking for. Almost all of our materials are available in high quality 24p HD ProRes and 2k/4k resolution.