Expedition 11 commander Sergei Krikalev works with the Russian-built Elektron oxygen generator aboard the ISS on May 5, 2005. Nearing the end of its life expectancy, the generator has failed for good according to ISS managers.(Image credit: NASA/JSC.)
Todd Halvoron is a veteran aerospace journalist based in Titusville, Florida who covered NASA and the U.S. space program for 27 years with Florida Today. His coverage for Florida Today also appeared in USA Today, Space.com and 80 other newspapers across the United States. Todd earned a bachelor's degree in English literature, journalism and fiction from the University of Cincinnati and also served as Florida Today's Kennedy Space Center Bureau Chief during his tenure at Florida Today. Halvorson has been an independent aerospace journalist since 2013.