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UPM
The UPM (УПМ) is a large, Soviet-era-developed, Russian Federation, steel-cased, lozenge-shaped, limpet mine, which can be used in water up to 10 m deep. The UPM is part of a family of Russian limpet mines, which includes the BPM (БПМ), SPM (СПМ), and MPM (МПМ). These each covered in their separate respective entry. Construction The UPM is comprised of a body, and a foam-based neutral buoyancy/carrying structure, which is wrapped around...
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