Dear-5 in Orbit: China’s Private Cargo Vehicle Strengthening Beijing’s Space Logistics

On Dec. 13th 2025, the sky above the Jiuquan Satellite Launch Center lit up for a launch that represents a new step forward for China’s rapidly expanding commercial space industry. The solid-fueled Kuaizhou-11 Y8 launch vehicle successfully placed the experimental cargo spacecraft Dear-5 into low Earth orbit, together with a secondary satellite. Liftoff occurred at 09:08 Beijing time, with both payloads inserted into their planned orbits.

Dear 5. Credit: AZ Space — *Dear 5. Credits: AZ Space*

Dear-5 (Discovery Exploration Advance Reentry) is an orbital cargo platform developed by the commercial company AZSpace, designed to conduct scientific experiments in orbit and to support space logistics operations. The spacecraft can carry up to 300 kilograms of payload within a usable pressurized volume of 1.8 cubic meters. On this mission, it is flying 34 experimental payloads from universities, research institutes, and private companies, covering fields ranging from microgravity science to the in-orbit validation of new space technologies.

What is Dear-5

In recent years, China’s space landscape has extended well beyond the purely state-driven dimension. Alongside major government programs, a growing private sector has begun to view space as an industrial and logistical domain in its own right. Within this context, Dear-5 stands out as one of the most significant projects developed by Chinese commercial companies for resupply and experimentation in low Earth orbit.

Private cargo vessel Dear-5 scheme. Credit: AZ Space — Private cargo vessel Dear-5 scheme. Credits: AZ Space

Dear-5 is conceived as an uncrewed, fully autonomous spacecraft, intended to transport supplies, materials, and scientific payloads to orbital platforms in LEO. Its primary role is to provide a regular, flexible, and potentially more cost-effective logistical capability compared to purely state-operated vehicles, complementing — rather than replacing — existing government cargo spacecraft.

Controlled re-entry and operational capabilities

From a design perspective, Dear-5 follows an internationally established configuration: a pressurized cargo module paired with a service module housing propulsion, attitude control, avionics, and solar arrays. The spacecraft’s architecture is modular and optimized for series production, a key factor in lowering operational costs and increasing mission cadence.

A particularly significant feature of the program is the prospect of controlled re-entry for selected payloads, in addition to the more conventional destructive atmospheric disposal at the end of the mission. This capability enables the return of scientific samples and experimental hardware to Earth, substantially increasing the operational and scientific value of each flight.

Dear-5 is launched aboard medium-class commercial Chinese launch vehicles and inserted directly into low Earth orbit. Once on orbit, the spacecraft is designed to autonomously perform rendezvous and docking operations with an orbital station, using navigation and proximity-operations systems comparable to those employed by the most advanced international cargo vehicles.

AZSpace: the company behind Dear-5

The Dear-5 project originates within AZSpace, the commercial brand of Beijing Ziwei Yutong Technology Co., Ltd., founded in 2019 and headquartered in Beijing. AZSpace has quickly carved out a role within China’s emerging space economy by focusing on recoverable spacecraft, re-entry technologies, and orbital transportation systems — areas that, until recently, were largely the exclusive domain of state actors.

B300, first vehicle from Az Space. Credit: Az Space — *B300, first vehicle from Az Space. Credits: Az Space*

Among the company’s early achievements is the recoverable capsule Di’er-1 (DEAR-1), launched in December 2023 to test re-entry technologies and microgravity payloads. Over time, AZSpace has expanded its spacecraft family with projects such as B300, DEAR-3, and now DEAR-5, alongside plans for a larger vehicle, C2000, capable of carrying up to 2,000 kilograms. This platform represents an intermediate step toward a stated and ambitious long-term goal: the development of human-rated orbital vehicles.

AZSpace has attracted investment and positions itself as a provider of modular space solutions for universities, research centers, and commercial customers. While not always selected in official procurement rounds by the China Manned Space Agency (CMSA), the company continues to pursue a structured roadmap aimed at steadily expanding the presence of commercial cargo and experimental platforms in orbit.

The Geopolitical Significance of the Program

From a strategic standpoint, Dear-5 represents an important element in the evolution of China’s broader space ecosystem. The vehicle is intended not only to support the Tiangong Chinese Space Station, but also to widen access to space for academic institutions, research organizations, and commercial users. In this sense, the program reflects a consolidated shift in perspective: space is no longer viewed solely as a symbolic or political arena, but as operational infrastructure.

Dear-4 Vehicle. Credit: AZ Space — *Dear-4 Vehicle. Credits: AZ Space*

Internationally, Dear-5 can be placed alongside vehicles such as Dragon Cargo, Cygnus, or Progress, with one key distinction: it was conceived from the outset as a commercial initiative, albeit one embedded within a tightly coordinated national space system. This underscores how, in China as elsewhere, the boundary between state programs and private industry is becoming increasingly porous.

On the geopolitical level, the emergence of vehicles like Dear-5 reflects a broader transformation in China’s space strategy. Delegating part of orbital logistics to commercial operators helps reduce industrial bottlenecks, increase mission frequency, and ensure greater operational continuity. In an international environment shaped by political tensions, technological sanctions, and increasingly fragmented cooperation, maintaining a complete and autonomous national space supply chain — including its commercial segment — becomes a critical strategic asset.

Dear-5 should therefore not be interpreted merely as a new cargo spacecraft, but as an indicator of a space system adapting to long-term competition, where autonomous access to orbit, logistical capacity, and operational sustainability matter just as much as high-profile launches.