Able (rocket stage) to be used on later rockets and are still in use. In honor of the rocket stage during an animals in space test, a rhesus monkey name Miss Able, flew with Miss Baker on May 28, 1959. Able (rocket stage) Able rocket stage was a rocket stage manufactured in the United States by Aerojet for the Vanguard rockets used in the Vanguard project from 1957 to 1959. The rocket engine stage use as a rocket propellant Nitric acid and UDMH. Able rocket stage was the second of three stages on the multistage rocket Vanguard. The Able rocket stage was discontinued
Miss Baker nose with model cement, and she was fitted into a snug capsule of shoebox size, 9¾ × 12½ × 6¾ inches (24.8 × 31.8 × 17.1 cm) insulated with rubber and fiberglass. Life support was an oxygen bottle with a pressure valve, and lithium hydroxide to absorb exhaled carbon dioxide and moisture. On May 28, 1959, at 2:39 am, a Jupiter rocket lifted Miss Baker and Miss Able to an altitude of through an acceleration of 38 gs for a 16-minute flight which also included 9 minutes of weightlessness. The flight traveled downrange from the pad at Cape Canaveral launch