Sucker Punch — Rick Shelley

The Alliance of Light has achieved many victories in the ongoing war against the Ilion Federation through the success of the elite military force comprised of alien soldiers from each planet in the coalition...

Sergeant Bart "Dragon" Drak and the survivors of the 1st Combined Regiment have returned to Earth to heal their wounds -- and bury their dead after their last engagement against the Ilion Federation. With many of his men suffering from low morale and exhausting training exercises, Drak fears the regiment may crack under the pressure of their next mission.

The planet Unity hosts an experimental colony designed to integrate the various aliens of the Alliance in a peaceful living environment. But without a military presence, Unity is vulnerable to attack. Now it falls on Drak's unit to establish a garrison, train the colony's militia, and buy the Alliance enough time to build adequate defenses against a suspected Federation invasion...