sentences:  "Rassvet" carried externally attached outfitting equipment from NASA for the "Nauka" Multipurpose Laboratory Module (MLM), a spare elbow joint for the European Robotic Arm, Nauka's experiment airlock for launching "cubesats," and a radiator.Delivering "Rassvet" thus enabled NASA to fulfill its promise to ship 1.4 metric tons to equip the MLM.