Plane Travel: from Today On, Daxia Will Not Respect Martial Ethics

[Plane System｜No CP｜Apocalypse｜Strong Women｜Family and Country｜Infrastructure] Three years after the end of the world, civilization collapsed, supplies were scarce, and survivors struggled to survive. Su Heng, who failed in the public examination, is living in the ruins. He only wants to enter the military base and get a chance of survival. The threshold for the base is extremely high, and when she was desperate, she accidentally bound her - [Ding - the plane trading farm system was bound successfully! [Rules: After completing the plane mission, you can exchange for apocalyptic survival rewards; you can use useless materials in the apocalypse to exchange for scarce resources in the system. Su Heng immediately asked to see the commander: "Sir, I can travel through low-tech planes, primitive planes, and farming planes. Modern items are extremely scarce in these places! I will go on plane missions, and the country will help me collect useless scraps of the apocalypse. We will trade them to build a strong national base and return our country to the pre-apocalypse!" The command center immediately cooperated fully. The country goes out to collect: old mobile phones, power banks, cosmetics, plastic supplies, wrapping paper, clothing, daily necessities... These are useless in the end of the world, but they are sky-high price treasures from other dimensions. Su Heng traveled from all walks of life to complete tasks: Exchange food seeds and ores in the primitive tribal plane; Exchange for fertile land and water conservancy technology in the farming plane; Change the defensive barrier and energy crystal in the low magic plane. [Ding dong! The plane mission is completed, and the reward is: high-yielding grain seeds × 10,000! [Ding dong! The apocalyptic scrap trade was successful and you obtained 10 construction machines! [Ding dong! System city upgrades to unlock defense, containment, and planting panels! On the wasteland, a national-level base has risen strongly.