After 20 years of operation, the Pioneer 6 satellite becomes the longest-running spacecraft in history. When launched in 1965, the solar-orbiting satellite had a life expectancy of six months.
Secretary of Defense Pete Hegseth vowed to undertake far-reaching reforms on the way the U.S. military buys weapons, promising a sweeping overhaul of the way the Defense Department determines requirements, handles the acquisition process, and tests its kit. The fundamental goal, which Hegseth underscored in a 1-hour and 10-minute speech…


