This illustration shows the Draco thrusters firing as the Dragon spacecraft travels around the Earth. Dragon is equipped with numerous redundant systems to ensure mission success even if primary systems fail. Credit: SpaceX

....to the International Space Station will not occur on February 7th and is now delayed—no new target date has been set. According to blogger James Dean, SpaceX spokeswoman Kirstin Brost Grantham released the following statement: "In preparation for the upcoming launch, SpaceX continues to conduct extensive testing and analysis. We believe that there are a few areas that will benefit from additional work and will optimize the safety and success of this mission. We are now working with NASA to establish a new target launch date, but note that we will continue to test and review data. We will launch when the vehicle is ready." There was no additional information to be found, as of this writing, at the SpaceX Media page at their website.