 By the 1950s, NAS Sanford was being converted into a Master Jet Base for carrier-based heavy attack aircraft and, along with the re-designated Orlando Air Force Base and nearby Pinecastle AFB (later renamed McCoy AFB), saw even more military families renting or purchasing homes in and around Longwood.In 1959, the City had slightly over 1,000 residents and a city limit boundary that measured approximately by square.In 1960, Longwood Elementary School was constructed and opened inside the city limits.