According to BioWare, if you are subscribed to the game on the first of every month from February to August, you will receive that month’s subscriber reward. So those subbed on February 1st will earn the HK-55 jetpack.
We could tell you that Firebrand is a infamous mercenary bent on taking down the Eternal Empire at any cost, but why not just show you in the video and a gallery of images below?
https://youtu.be/b4ce6_9I83o
The next chapter of KOTFE launches on February 11th. Be sure to check out the subscriber rewards on the official rewards page or just keep following the latest SWTOR news right here.
Source: BioWare press release