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 Shuttle Discovery Mercury astronaut John Glenn, who was 77 at the time, flew with "Discovery" on STS-95 in 1998, making him the oldest person to go into space. Had plans to launch United States Department of Defense payloads from Vandenberg Air Force Base gone ahead, "Discovery" would have become the dedicated US Air Force shuttle. Its first West Coast mission, STS-62-A, was scheduled for 1986, but canceled in the aftermath of "Challenger". "Discovery" was retired after completing its final mission, STS 133 on March 9, 2011. The spacecraft is now on display in Virginia at the Steven F. Udvar-Hazy Center, an annex