Joe Acaba于2004年被选为宇航员。在成为阿斯托纳特之前，他曾是加州洛杉矶的水文地质学家，主要在超级基金的网站上工作。他在美国和平队(United States Peace Corps)工作了两年，在多米尼加共和国担任环境教育宣传人员。他同时也是巴哈马群岛埃克苏玛斯群岛李·斯托克岛加勒比海洋研究中心的经理。他还在佛罗里达州墨尔本高中教了一年的高中科学，在佛罗里达州邓纳伦中学教了四年的初中数学和科学。
Joe Acaba was selected as an astronaut in 2004. Before he became an astornaut, he worked as a hydro-geologist in Los Angeles, California, primarily on Superfund sites. He spent two years in the United States Peace Corps as an Environmental Education Awareness Promoter in the Dominican Republic. He was also the manager of the Caribbean Marine Research Center at Lee Stocking Island in the Exumas, Bahamas. He also taught one year of high school science at Melbourne High School, Florida, and four years of middle school math and science at Dunnellon Middle School, Florida.
As an astronaut, Acaba has logged a total of 306 days in space on three flights, first as a mission specialist on the Space Shuttle Discovery STS-119 mission and twice aboard the International Space Station.
In this image, Acaba reads to students from aboard the International Space Station during Expedition 53/54 (September 13 through February 28, 2018).
Image Credit: NASA