Survival — Kate L. Mary

The struggle is only beginning...After escaping Earth and creating a new life on Salvation-1, Tessa thought her days of fighting were over. But nothing turned out the way the survivors expected, and now humanity is facing a new threat. One that may destroy them for good.VA-246 was supposed to be humanity's chance to start over, but making it there was only the beginning.An alien planet, an atmosphere not conducive to human life, and an unknown enemy. With the fate of humanity on the line and disaster waiting around every corner, Tessa and the other survivors from Earth must fight for their survival. Except the enemy isn't quite what they expected.