Lucia Gonzales
Officer shards can be obtained from completing the following missions: Arbitration, Crashlander, Detainment, Diamonds in the Rough, Know Your Enemy, Political Prisoner, Show of Force, Silence Bought, The Warp Trail Less Traveled, Unhealthy Competition, and Valley. Also, shards can be gained through the Premium Officer Chest, the Standard Officer Chest, the Crucible of War Officer Chest, and the Common Wrath Recruit Chest.
 
Grace Chen
Officer shards can be obtained from completing the following missions: A Fair Trial, Hide and Seek, Man Out Of Time, No One Gets Left Behind, Remains of the Ancients, Revenge of the Ancients, The Fate of the Fallen, The Quarry, The Warp Trail Less Traveled, and Trust Betrayed. Also, shards can be gained through the Premium Officer Chest, the Standard Officer Chest, the Crucible of War Officer Chest, and Common Wrath Recruit Chest Extra shards can be acquired through the Offers tab.
 
Gaila
Officer shards can be obtained from completing the following missions: Combat Training 8: Rookie, Combat Training 8: Soldier, and Combat Training 8: Veteran. Also, shards can be gained through the Standard Officer Chest and Common Wrath Recruit Chest.

Shev Akria    
Officer shards can be obtained from completing the following missions: Combat Training 6: Rookie, Combat Training 6: Soldier, and Combat Training 6: Veteran. Also, shards can be gained through the Standard Officer Chest and Common Wrath Recruit Chest.
 
T'Laan
Officer shards can be obtained from completing the following missions: Combat Training 9: Rookie, Combat Training 9: Soldier, and Combat Training 9: Veteran. Also, shards can be gained through the Standard Officer Chest and Common Wrath Recruit Chest. Extra shards can be acquired through the Offers tab.
 
Vel K'bentayr    
Officer shards can be obtained from completing the following missions: Combat Training 7: Rookie, Combat Training 7: Soldier, and Combat Training 7: Veteran. Also, shards can be gained through the Standard Officer Chest and Common Wrath Recruit Chest.