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.
[ 97 ] NASA's first four manned spaceflight projects were Mercury, Gemini, Apollo, and Skylab. As the first U.S. manned spaceflight project, Project Mercury-which included two manned suborbital flights and four orbital flights-fostered Project Apollo and fathered Project Gemini.. The second manned spaceflight project initiated was the Apollo manned lunar exploration program.