Werfer-Granate 21 - Wikipedia
https://en.wikipedia.org/wiki/Werfer-Granate_21
OverviewHistoryDesign and capabilitiesUsageShortcomingsAircraft armed with the Wfr. Gr. 21See alsoExternal linksThe Werfer-Granate 21 rocket launcher, also known as the BR 21 (the "BR" standing for Bordrakete) in official Luftwaffe manuals, was a weapon used by the German Luftwaffe during World War II and was the first on-board rocket placed into service by the Luftwaffe, first introduced in mid 1943. Based on the 21 cm Nebelwerfer 42 infantry barrage rocket system's hardware, the weapon was de…
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