TOS Kirk
Officer shards can be earned by completing the following missions: A Rude Awakening Part 1, A Rude Awakening Part 2, Doomsday Part 10, In Times of Trouble Part 2, Innominate Part 1, Innominate Part 5, Now and Then Part 10, and Now and Then Part 4. Additionally, shards can be gained through the Ultra Officer Chest and, occasionally, in the Rotational Ultra Chests.

TOS Spock
Officer shards can be earned by completing the following missions: A Rude Awakening Part 5, Dead Memories Part 1, Dead Memories Part 5, Doomsday Part 9, and In Times of Trouble Part 1. Occasionally, more shards can be acquired through Rotational Ultra Chests. You can also exchange Transporter Patterns for extra shards.

TOS Uhura
Officer shards can be earned by completing the following missions: A Rude Awakening Part 3, A Rude Awakening Part 4, An Old Wound Part 5, Innominate Part 3, Innominate Part 5, and Territorial Dispute Part 5. Additionally, shards can be gained through the Ultra Officer Chest and, occasionally, in the Rotational Ultra Chests.

TOS McCoy
Officer shards can be earned by completing the following missions: Take the Conn Part 4 and 5. Additionally, shards can be gained through the Ultra Officer Chest and, occasionally, in the Rotational Ultra Chests.

TOS Sulu
Officer shards can be earned by completing the following missions: Take the Conn and Take the Conn Part 3. Additionally, shards can be gained through the Ultra Officer Chest and, occasionally, in the Rotational Ultra Chests.

TOS Scotty
Officer shards can be earned by completing the following missions: Hidden Agendas Part 5 and Leviathan Part 10. Additionally, shards can be gained through the Ultra Officer Chest and, occasionally, in the Rotational Ultra Chests.

TOS Chekov
Officer shards can be earned by completing the following missions: Hidden Agendas Part 5 and Leviathan Part 5. Additionally, shards can be gained through the Ultra Officer Chest and, occasionally, in the Rotational Ultra Chests.