A World War II German <a href="https://en.wikipedia.org/wiki/Henschel_Hs_297" class="extiw" title="en:Henschel Hs 297">Henschel Hs 297</a> surface-to-air rocket launcher, on display at the <a href="https://en.wikipedia.org/wiki/Swedish_Army_Museum" class="extiw" title="en:Swedish Army Museum">Swedish Army Museum</a> in <a href="https://en.wikipedia.org/wiki/Stockholm" class="extiw" title="en:Stockholm">Stockholm</a>, Sweden.
<a href="//commons.wikimedia.org/wiki/User:Manxruler" title="User:Manxruler">Manxruler</a>
<span class="int-own-work" lang="en">Own work</span>