This is the special extended ending clip that is not apart of the original season episodes. It is placed at the end of the Gundam SEED Destiny: Special Edition series as well as the extra episode 51 or Final Plus episode.
Brief Summary:
In this scene, the main characters are found at the memorial in Orb. Shinn finally comes face to face with Kira, who invites him to join them in their cause. After a prolonged handshake, they go their separate ways.
In the credits, it is implied that Cagalli and Lacus both return to their respective nations to lead them. Kira is shown wearing a Zaft uniform and embracing Lacus when they were reunited. Ramius and Mu are also shown together.
Song at 3:30 – Kimi wa Boku ni Niteiru by See-Saw.
Copyrights belongs to Bandai.