Animals in space mice, rats, frogs, newts, fruit flies, snails, carp, medaka, oyster toadfish, sea urchins, swordtail fish, gypsy moth eggs, stick insect eggs, brine shrimp ("Artemia salina"), quail eggs, and jellyfish aboard Space Shuttles. The last flight of "Columbia" in 2003 carried silkworms, garden orb spiders, carpenter bees, harvester ants, and Japanese killifish (medaka). Nematodes ("C. elegans") from one experiment were found still alive in the debris after the Space Shuttle "Columbia" disaster. "C. elegans" are also part of experiments aboard the International Space Station as well as research using quail eggs. Earlier shuttle missions included grade school, junior high and high
Space policy of the United States by executive order, which was discontinued in 1993 by President Bill Clinton. President Donald Trump reestablished the Council by executive order in 2017. International aspects of US space policy may involve diplomatic negotiation with other countries, such as the 1967 Outer Space Treaty. In these cases, the President negotiates and signs the treaty on behalf of the United States according to his constitutional authority, then presents it to the Congress for ratification. Once a request is submitted, the Congress exercises due diligence to approve the policy and authorize a budgetary expenditure for its implementation. In support of this, civilian policies