She first met Steve Rogers at Colonel Phillips' training base and oversaw his and the other potential candidates' training for Operation: Rebirth. When Rogers was selected as the candidate, she escorted him to the U.S. Army's secret base in Brooklyn under a pawnshop. After Dr. Erskine was murdered in after Rogers' successful transformation, she followed the Rogers and the spy into the streets of Brooklyn and fired off several rounds into the car that the spy was escaping in.
Colonel Phillips was given a new assignment to take the S.S.R. to Europe to take the fight directly to Hydra and made Agent Carter and Howard Stark a part of his staff. Agent Carter and Howard Stark helped Captain Rogers get to his destination to the secret Hydra base that allied POWs were held. Peggy soon developed a crush for Steve, though referred to it as "having faith in him".
She was along with the company of soldiers led by Colonel Phillips to follow Captain Rogers into Hydra's last base of operations. After defeating Schmidt, Captain Rogers flew the Hydra plane into the Atlantic region. During his descent he expressed his grief about not being able to make his date with Agent Carter to her over the military radio frequency.
The Strategic Scientific Reserve Headquarters is a main European facility of the Strategic Scientific Reserve located in London, England during World War II.
Colonel Chester Phillips devised a plan, ordering Peggy Carter to contact MI6 in order to locate HYDRA Headquarters, while the SSR would destroy the known facilities with a battalion led by Rogers.
Growing up in Los Angeles in the 70s/80s we visited Disneyland on a regular basis and often after school, before "Annual Passes".