WorldView-1, DigitalGlobe's earth imaging satellite, completed a successful launch from Vandenberg Air Force Base, California, U.S.A., at 11:35 Hrs Pacific Daylight Time (PDT) on September 18th, 2007. The Delta II rocket lifted off in good weather and the WorldView-1 satellite is "currently undergoing a calibration and check-out period," according to DigitalGlobe. The first panchromatic image data should become available before October 18th, 2007.