I'm only getting an answering machine letrozole and nolvadex pct Unlike past capsules that used a separate tractor rocket motor that pulled capsule away from the rocket, the Dragon uses its own built-in thrusters to push the vehicle away from the rocket in case of an emergency. In addition to providing redundancy through multiple thrusters, the SpaceX design also eliminates the need to jettison the tractor rocket (the tall spire atop the Apollo capsules) before the rocket accelerates to orbit.
