Interesting World War One U-Boat Facts

From the M712 Copperhead laser-guided direct-fire round to the M982 Excalibur GPS guided missile, tanks now have various weapons systems available to them to destroy enemy targets. One of the most notable, however, is the SMArt 155, a recently released 155mm artillery round that delivers two autonomous, sensor-fused, fire-and-forget submunitions. ................
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