Nogon

Nogon is an Imperial death world located in the Segmentum Obscurus and is also an Astra Militarum Homeworld of the Worthless Survivalists. The Worthless Survivalists are well known known for, as their name implies, being exceptional survivalists who apply precise and overwhelming artillery on where the enemy and their supplies are grouped up the most while sending their mechanized infantry to clean up all opposition who survived the aforementioned artillery.

Background
Nogon is a Death World located within the Segmentum Obscurus which was discovered and brought into Imperial Compliance by the Imperial Fists Legion and their Imperial Army allies during the tragedy known to many as the Horus Heresy. While the Imperial Fists were fortifying the planet to prepare for the upcoming Emperor's Children assault, the troopers and veterans of the Imperial Army got to training the people of Nogon so that they might assist the Imperials properly during said assault. Being noted as successful siege operatives that worked wonders when mechanized, the people of Nogon were left to their own devices once the attack on their homeworld was successfully pushed back. However, the traitors were not planning on leaving the newly-armed men and women of Nogon alone and the Night Lords soon fell upon them. Inexperienced and unprepared yet brave and armed, the people of Nogon managed to score a pyrrhic victory over the Night Lords after a 5 year long war of attrition.

Nogon would be forgotten about up until the 34th Millenium, where the newly-formed Nogonian Empire was trying to expand into Imperial territory. After a series of diplomatic meetings and threats of annihilation coming from both sides, the Nogonian Empire agreed to serve the Imperium and the God-Emperor of Mankind. Recognizing the soldiers of Nogon as the battle-scarred and experienced soldiers they had grown up to become, the Imperium commissioned Nogon to begin raising Astra Militarum Regiments. And thus, giving themselves a name befitting their stature as the populace of a planet that survived two separate attacks from two Traitor Legions, the Nogonian Survivalists were born.