关于这张图
KENNEDY SPACE CENTER, FLA. -- An aerial view of early construction of Launch Pad 39A, looking southwest. Pad 39A is one of two launch sites for the Apollo Saturn V Moon rocket. Each site is an eight-sided polygon and 3,000 feet across. The pad is 390 feet by 325 feet reinforced concrete hardstand standing 48 feet above sea level. The flame trench in the center holds a 700,000-pound flame deflector during launch operations.
