He used to be her adopted brother being brought up by their adoptive grandmother, Josephine. He works at Deepspace Aviation Academy (DAA) in Skyhaven.

One day their house was blown up in front of her. Caleb and Josephine are considered dead. She was devastated and try to move on and now after nearly 2 years later, Caleb came back as a colonel in Farspace Fleet She was taken to the Farspace aircraft and being interrogated because she is a deepspace hunter, the interrogation was quite harsh but she passed successfully until he says

Pipsqueak... I'm back