Hera 2781 - a novelette length story.
Hestia 2781 - a full-length novel.

The year is 2781. Lieutenant Drago Tell Dramis is a newly trained fighter pilot heading out on his first mission. This is the moment he's dreamed of for years, but his dream is turning into a nightmare. Drago's team leader hates him, and it's hard to focus on a routine mission when the whole team is anxiously waiting for news of something far more important.

A comet is on a collision course with one of humanity's oldest colony worlds. Today is the last chance to save the planet Hera from total destruction.