Alexander Marcus
Officer shards can be earned through the Premium Officer Chest, the Ultra Officer Chest, and the Crucible of War Officer Chest. Occasionally, more shards can be acquired through Rotational Ultra Chests. You can also exchange Transporter Patterns for extra shards.

Yuki Sulu
Officer shards can be earned through the Premium Officer Chest, the Ultra Officer Chest, and the Crucible of War Officer Chest. Occasionally, more shards can be acquired through Rotational Ultra Chests.

John Harrison
Officer shards can be earned by completing the following missions: Misdirection and Uncaged. Additionally, shards can be gained through special events and through the Offers tab.

Paul Zhou
Officer shards can be earned through the Premium Officer Chest and the Crucible of War Officer Chest.