That portion of a policy's premium that applies to the expired portion of the policy. Although insurance premiums are often paid in advance, insurers typically earn the premium at an even rate throughout the policy term. More Risk Finance and Captives Information from IRMI.
Explorer 1 became the first successfully launched satellite by the United States when it was sent to space on January 31, 1958. A quick response to the Soviet Union's launch of Sputnik 1, Explorer 1's success marked the beginning of the U.S. Space Age.
Glenn returned to space at age 77 aboard the space shuttle Discovery in 1998, making him the oldest person to fly in space. His missionâs primary scientific aim at that time was to study the effects of spaceflight on seniors. Bottom line: John Glenn became the first American to orbit Earth on February 20, 1962.