The Strategic Scientific Reserve (SSR) is a fictional organization from the comic book universe, particularly associated with the character Captain America. It was established during World War II to harness scientific advancements for military purposes, focusing on developing new technologies and weapons to aid the war effort. The SSR played a crucial role in the creation of the super-soldier serum, which transformed Steve Rogers into Captain America. In the broader context of the Marvel Universe, the SSR is often depicted as a precursor to modern organizations like S.H.I.E.L.D. Its members included notable figures such as Howard Stark, who contributed to various technological innovations. The SSR's legacy continues to influence the narrative of superhero stories, emphasizing the intersection of science and warfare.