Following the Korean War, Haycock became the first woman to hold a major command in New Jersey, as head of the Army's 322nd General Hospital.
[3] She completed her surgical residency in New York before returning to New Jersey, where she opened a private practice in general surgery.
In 1984 she retired from the Army Medical Corps as a colonel, having served as a reservist since her time in World War II and Korea, totaling 38 years of military service.
She tried out for her high school baseball team, but the coach wouldn't let her play; so at age 15, she became the first female player for the Essex County Semi-Pro League.
An active member of science fiction fandom (she served as treasurer of the Lunarians), Haycock was married to fellow fan Sam Moskowitz; they were Guests of Honor at Disclave 9.