The primary purpose of the STS-127 mission was to deliver and install the final two components of the Japanese Experiment Module: the Exposed Facility (JEM EF), and the Exposed Section of the Experiment Logistics Module (ELM-ES).
Были смонтированы Внешняя экспериментальная платформа (Japanese Experiment Module — Exposed Facility, JEM-EF) и Внешняя негерметичная секция (Experiment Logistics Module — Exposed Section, ELM-ES).