Criticism of the Space Shuttle program costs through amortization. Development costs were expected to be recouped through frequent access to space. These claims were made in an effort to obtain budgetary funding from the United States Congress. Beginning in 1981, the space shuttle began to be used for space travel. However, by the mid-1980s the concept of flying that many shuttle missions proved unrealistic and scheduled launch expectations were reduced 50%. Following the "Challenger" accident in 1986, missions were halted pending safety review. This hiatus became lengthy and ultimately lasted almost three years as arguments over funding and the safety of the program continued. Eventually the
430 Space Shuttle These cartoons were adapted into Cantonese, and usually from Japanese animation. The first cartoon that aired during this time was Doraemon. 430 Space Shuttle 430 Space Shuttle () is a children's show shown on TVB Jade in Hong Kong that aired from 1 February, 1982 until its final episode on 8 August, 1989. The name represents the show's starting time - 4:30pm. This program aimed to educate children about astronomy or related topics with stories, songs, games and other adventures. It provided an opportunity for children to learn about different topics while being entertained at the same time. The host