S01E01 Freefall
Rookie troopers Rico, Flores and Jenkins journey to Pluto as part of Alpha Team "Razak's Roughnecks" on what is supposed to be a simple mop-up operation, but find a major threat to the research stations...
The Zephyr remains crash-landed on a frozen asteroid. A team is sent out to collect Toxin B-3, a potent bio-weapon that they've found here, while Gossard and others remain at the ship to try to get the communications system working to send an SOS... and to protect the ship from Firefries.
The exploits of the Mobile Infantry squad, "Razak's Roughnecks," during the SICON–Bugs War between a newly united humanity and an extraterrestrial race, known as the "Bugs," also sometimes referred to as Arachnids.