I can upgrade the shelter

Chen Xin took off his Power Armor. Although it was very cold outside, he didn’t feel much chill because he had already changed into his specially-made driving suit.

This driving suit was specifically made by Chen Xin for the Power Armor. The innermost layer is a snug lining, somewhat similar to the integrated design of a drysuit, breathable, waterproof, and with excellent insulation.

On the outside of the lining is the main body of the driving suit. It draws from the design of the Exoskeleton Protective Suit and is equipped with electric heating structures. It looks somewhat similar to a pilot’s flight suit and also features an integrated design. A high-performance rechargeable battery powers the driving suit, which charges through the Power Armor. It can be used for 48 hours when fully charged.

The driving suit also includes various miscellaneous equipment such as radio, locator, and signal transmitter, all powered by the battery, ensuring that the driver can survive in harsh environments after leaving the Power Armor.

Additionally, Chen Xin specially improved the head structure of the Power Armor. He designed a lightweight helmet for the driving suit. When driving, the driver can wear this helmet and insert their head into the head of the Power Armor, connecting externally to the Power Armor, rather than inserting their bare head directly.

The advantage of this is that it provides more protection for the driver’s head, and prevents their head from freezing when they leave the Power Armor.

However, the driving suit itself does not supply oxygen. The helmet only has air filtration, so if necessary, the life support system inside the Power Armor needs to be removed and installed on the driving suit to provide oxygen.

Of course, Chen Xin doesn’t need these functions right now, so he directly boarded the train, wanting to take a good look at this nuclear-powered train.

Entering from the door, there is a small compartment that connects two carriages and separates the internal car space from the door area with a door. Its main function is to prevent cold air from entering the carriage when the train stops and the door is opened.

The interior of the carriage is not much different from an ordinary high-speed train, but the space is relatively compact, and the decor is not as beautiful and comfortable as a high-speed train. Overall, it appears more utilitarian and somewhat reminiscent of an old green train car.

However, this passenger carriage is quite good given the current environment. At least when Chen Xin walked in, he could see through the helmet display that the temperature inside the carriage was at least 10℃, which was a very comfortable temperature now.

"Will this train be used for passenger service?" Chen Xin asked the nearby staff member.

Right now, there were only a few staff members in the carriage, seemingly testing the train, and no other passengers were on board.

"Not at the moment. Although the country has plans to resume railway passenger services, currently there is only this one nuclear-powered engine. The carriages are specifically designed for electric locomotives, and steam locomotive engines cannot use these carriages," the staff member explained, then asked Chen Xin, "Would you like to see the engine room?"

Hearing the staff’s offer, Chen Xin would certainly not miss such a good opportunity. He nodded and followed the staff member through several carriages towards the engine.

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The train seemed to be testing various carriage functions together, so as Chen Xin followed the staff towards the engine, he saw many carriages with different functions.

"This is the dining car, mainly used to provide food for the whole train. According to our design, as long as there are enough ingredients, it can provide at least five hundred main and side hot meals within an hour. If simply heating, it can heat two thousand portions of emergency shelter food within an hour," the staff member proudly introduced the dining car, evidently proud that in such conditions, heating two thousand meals an hour was a pretty practical and impressive capability.

At least, Chen Xin could envision that if necessary, attaching a dining car to the engine and dragging several food carriages could quickly provide hot meals to areas lacking food via rail, potentially saving many lives in critical moments.

In addition to the dining car, there’s a storage carriage on this train. To test its functionality, it holds some food, which appears to be the ration for the staff on board.

However, Chen Xin was a bit speechless that this storage carriage was temperature-controlled. It cools when external temperatures are high, but now, it’s heating, ensuring the inside doesn’t drop excessively.

This point was explained to Chen Xin by the staff. Though external temperatures were very low, freezing food for a long time in low temperatures doesn’t mean you can do nothing and leave it frozen for storage.

"This storage carriage isn’t just for food. Sometimes it transports medicines or other important materials needing consistent temperatures, so it must be controllable, not entirely ultra-low-temperature," the staff explained, smiling as they added, "Actually, because of the abundant power from the nuclear reactor, we made a temperature-controlled carriage. Otherwise, it would have been wasteful, a small storage box would suffice."

Chen Xin nodded to show understanding; this is the benefit of nuclear power. With ample energy, many things can be done freely.

For example, this train has a water storage carriage, a shower carriage, an ecological experiment carriage, a sleeper carriage, permanent residential compartment carriages, etc. It seems that with sufficient energy, these staff members have fully unleashed their creativity, materializing various ideas and bringing them out for testing.

"You all... have quite a variety," Chen Xin observed the diverse array of carriages. Although he could understand the necessity of some, he still felt some designs were unnecessary.

"Most are experimental models. Testing them doesn’t mean mass-production, but it’s good to be prepared. If there’s ever a need, we wouldn’t have to design on the spot since we’d already have the blueprints," the staff member shrugged, facing Chen Xin’s assessment.

Chen Xin nodded but suddenly thought of something, so he asked the staff, "You wouldn’t be trying to build the Snow Country Train, would you?"

Unexpectedly, the staff member actually nodded: "We do have such plans; the train is already in the design phase."