docs: restructure Xihe and Stellaria wiki pages with fleet data and mission history

Phase 1 - Framework restructuring:
- Remove empty image gallery sections
- Add mission history subsection structure
- Expand construction & development sections
- Update info boxes with current status (2060-03-12)

Phase 2 - Fleet data:
- Add XH-04 and ST-04 to fleet tables
- Correct ST-03 status from "planned" to "in service"
- Add Jinwu-class (金乌级) cargo ships JW-01/02/03

Phase 3 - Mission history:
- Xihe: 8 detailed mission subsections (2053-2060)
- Stellaria: 7 detailed mission subsections (2055-2060)
- Document first Mars crew handover (2056-09-17)
- Document historic firsts: Mercury landing, Venus mission, Titan ops

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

data/wiki/xihe_mothership_en.html

@@ -51,9 +51,10 @@
 <tr><td><b>Propulsion</b>: Perseverance mass-driver propulsion system</td></tr>
 <tr><td><b>Full-load delta-v</b>: About 1700 km/s</td></tr>
 <tr><td><b>Successor</b>: Stellaria class</td></tr>
+<tr><td><b>Current status</b>: XH-01 at Jupiter system, Europa Expedition 3 (ongoing)</td></tr>
 </tbody></table>
 
-<p>The <b>Xihe-class interplanetary exploration mothership</b> is a first-generation large crewed mothership designed for long-range operations inside the Solar System. Named after Xihe, the solar deity in Chinese mythology, the class supports scientific expeditions, off-world base construction, crew rotation, and deep-space technology validation around Mars, the Jovian moons, and other target bodies.</p>
+<p>The <b>Xihe-class interplanetary exploration mothership</b> is a first-generation large crewed mothership designed for long-range operations inside the Solar System. Named after Xihe, the solar deity in Chinese mythology, the class supports scientific expeditions, off-world base construction, crew rotation, and deep-space technology validation around Mars, the Jovian moons, and other target bodies. As of March 2060, the lead ship Xihe (XH-01) is in the Jovian system on Europa Expedition 3, continuing deep-space exploration and base-support duties. As of March 2060, the Xihe class has three active ships (XH-01 Xihe, XH-02 Taibai, XH-03 Changxi) and one under construction (XH-04). The lead ship Xihe is currently executing Europa Expedition 3 in the Jovian system.</p>
 <p>The class uses an axial modular configuration with a mass-driver main propulsion system, an Ark cold-fusion reactor, closed-loop life support, an artificial-gravity habitation ring, scientific facilities, a greenhouse module, and reinforced docking hardware. It is not capable of atmospheric re-entry or planetary landing. Surface access and short-range target-system transport are handled by carried ferry shuttles and surface vehicles.</p>
 <p>Before the Stellaria class entered service, Xihe-class motherships served as the main platform for multiple interplanetary missions. XH-01 was assembled in low Earth orbit from 2050 to 2052 and subsequently supported Mars-orbit validation, Mars base construction, Europa outpost construction, and Jovian-system scientific operations. The class provided the operational foundation for later interplanetary exploration motherships.</p>
 <p>The Xihe class refers both to the class led by XH-01 and to the technical lineage used by later XH-numbered motherships. XH-02 Taibai and XH-03 Changxi continued the class in Mars-base supply, Star Port servicing, and deep-space infrastructure support.</p>
@@ -73,7 +74,6 @@
 <li><a href="#safety-and-operating-constraints">Safety and operating constraints</a></li>
 <li><a href="#specifications">Specifications</a></li>
 <li><a href="#fleet-and-successors">Fleet and successors</a></li>
-<li><a href="#images">Images</a></li>
 <li><a href="#see-also">See also</a></li>
 </ol>
 </nav>
@@ -123,13 +123,53 @@
 </tbody></table>
 
 <h2 id="construction-and-development">Construction and development</h2>
-<p>The lead ship Xihe (XH-01) was assembled in low Earth orbit between 2050 and 2052. Early components were delivered by Vulture shuttles, with the first launch missions placing the central docking hub as a temporary work platform. The artificial-gravity ring exceeded shuttle cargo-bay limits and was launched separately by a super-heavy vehicle.</p>
-<p>After main assembly, XH-01 completed low Earth orbit checkout, geostationary-orbit maneuvers, lunar-orbit round trips, and full-system pressure testing. Later mothership construction increasingly moved toward Star Port Station and large orbital shipyards, with Qingtian cargo vehicles carrying more of the large-module transport work.</p>
-<p>Xihe-class construction experience directly influenced the Stellaria class. Stellaria retained the axial spine, artificial-gravity ring, and central docking logic while increasing propulsion capability, central volume, long-duration life support, and cryosleep capacity.</p>
+<p>The lead ship Xihe (XH-01) was assembled in low Earth orbit between 2050 and 2052. The first module arrived in LEO on 2050-03-15, delivered by Vulture shuttles to begin orbital assembly. The artificial-gravity ring exceeded shuttle cargo-bay limits and was launched separately by a super-heavy vehicle. Main assembly took 693 days and was completed on 2052-02-06.</p>
+<p>The orbital commissioning phase (2052-06-01 to 2052-11-30) included low Earth orbit checkout, geostationary-orbit maneuvers, lunar-orbit round trips, and full-system pressure testing, verifying structural integrity, thermal stability, propulsion response, and long-duration life-support endurance. Immediately after commissioning, XH-01 entered the Deep Space Test Mission (2053), an uncrewed flight to the Sun-Earth L2 point lasting 340 days, which validated autonomous navigation, remote telemetry, and large-payload delivery ahead of the first crewed Mars mission.</p>
+<p>Xihe-class construction experience directly influenced the Stellaria class. Stellaria retained the axial spine, artificial-gravity ring, and central docking logic while increasing propulsion capability, central volume, long-duration life support, and cryosleep capacity. Later mothership construction increasingly moved toward Star Port Station and large orbital shipyards, with Qingtian cargo vehicles carrying more of the large-module transport work.</p>
 
 <h2 id="operational-history">Operational history</h2>
-<p>After completing assembly in 2052, XH-01 entered orbital checkout and then Mars and Jovian-system missions. Early uncrewed Mars-orbit validation deployed equipment for Mars One base construction and tested autonomous deep-space navigation, remote control, and large-payload delivery. Later crewed Mars missions used Echo shuttles for surface landing and crew transfer.</p>
-<p>During the Jovian phase, XH-01 supported Europa Research Outpost construction, subsurface radar deployment, power expansion, and long-duration scientific operations. Some mission packages included Io plume sampling, Ganymede magnetic-field mapping, and Jovian-ring dust collection. From late 2059 to early 2060, XH-01 underwent a major Star Port Station upgrade covering radiation shielding, water processing, greenhouse interfaces, the forward docking structure, and navigation systems.</p>
+<p>After completing assembly in 2052, XH-01 entered orbital checkout and then Mars and Jovian-system missions. The following is an overview of XH-01's major mission phases since commissioning.</p>
+
+<h3>Deep Space Test Mission (2053)</h3>
+<p>On January 12, 2053, Xihe departed low Earth orbit in an uncrewed configuration bound for the Sun-Earth L2 Lagrange point, executing a 340-day deep-space test mission that concluded on December 18, 2053. This was the first Xihe-class deep-space operation and the longest uncrewed autonomous deep-space flight in the Chinese space program at that time.</p>
+<p>During the mission, Xihe validated several systems critical to subsequent crewed operations: long-duration autonomous navigation and station-keeping, deep-space communications stability at Sun-Earth L2 distances, radiation shielding effectiveness in the actual deep-space environment, and extended uncrewed operation of the closed-loop life-support system. The flight computer executed all orbital maneuvers and system scheduling without real-time ground intervention.</p>
+<p>After returning to LEO, Xihe underwent a comprehensive post-flight evaluation. Based on telemetry analysis, the engineering team applied targeted upgrades to propulsion redundancy, communications antenna pointing mechanisms, and life-support recirculation loops, preparing the ship for its first crewed Mars mission. The Deep Space Test Mission formally transitioned the Xihe class from an orbital test platform to a mission-capable deep-space asset.</p>
+
+<h3>Mars Mission Demonstration (2054-2055)</h3>
+<p>On July 10, 2054, Xihe departed LEO with a 102 km/s injection burn, arriving at Mars on August 21, 2054 after 42 days of interplanetary cruise. The mission remained uncrewed; its core objective was validating the mothership's deep-space delivery capability in an actual Mars orbital environment.</p>
+<p>Upon Mars arrival, Xihe successfully delivered the first Mars One base equipment package, which included habitation module components, solar array support structures, and initial life-support hardware. The surface operations phase ran from August 21, 2054 to January 10, 2055 — 142 days — during which Xihe remained in high Mars orbit, monitoring equipment deployment and self-check status via telemetry relay.</p>
+<p>On January 10, 2055, Xihe departed Mars orbit with a 97 km/s injection, reaching Earth on February 28, 2055. The mission definitively proved that the Xihe class could operate reliably at Mars distance and deliver heavy payloads to the Martian surface, clearing the final critical hurdle for crewed Mars missions.</p>
+
+<h3>Mars One Base Construction Mission 1 (2055-2056)</h3>
+<p>On June 15, 2055, Xihe departed LEO carrying the first Mars construction crew, arriving at Mars on July 30, 2055. This was the first crewed Mars mission of the Xihe class and the first time astronauts traveled to another planet aboard a mothership-class platform.</p>
+<p>Surface operations extended from July 30, 2055 to February 7, 2056 — 192 days. During this period, the crew established the core infrastructure of Mars One Base: mating and pressurizing the primary habitation module, activating initial life-support systems, erecting communications antennas, and conducting the first scientific surveys of the Martian surface. Xihe remained on standby in high Mars orbit, with Echo-class shuttles providing crew and cargo surface transfer.</p>
+<p>For the return leg, Xihe employed the FAST RETURN trajectory for the first time, injecting from Mars orbit into the Earth-Mars transfer with a 207 km/s burn, substantially shortening the return transit. Departing February 7, 2056 and arriving at Earth on March 18, 2056, the return trip took only 39 days. After return, Xihe entered a maintenance cycle (March 25 to June 20, 2056, 87 days) for its first comprehensive post-mission inspection of propulsion, docking interfaces, and life-support equipment.</p>
+
+<h3>Mars One Base Construction Mission 3 (2056-2057)</h3>
+<p>On July 30, 2056, Xihe departed again for Mars at 95 km/s injection, arriving on September 15, 2056. The defining moment of this mission came on September 17, 2056, when Xihe's crew met the Stellaria-class ST-01 crew on the Martian surface, completing humanity's first interplanetary crew handover. With XH-01 and ST-01 simultaneously present in the Mars system, this event marked the beginning of coordinated multi-mothership operations.</p>
+<p>The surface stay ran from September 15, 2056 to February 12, 2057. During this period, Xihe's crew took over Mars One Base operations while simultaneously extending base infrastructure and conducting a second round of scientific surveys. While both motherships were in Mars orbit, they also completed the first inter-mothership cargo transfer and joint communications relay test, accumulating invaluable experience for future multi-platform missions.</p>
+<p>This was the first coordinated two-mothership operation in history, demonstrating the feasibility of operating two large crewed spacecraft simultaneously around another planet. The lessons learned directly informed planning for later multi-platform Jovian-system operations.</p>
+
+<h3>Mars Expedition 2 (2057-2058)</h3>
+<p>On May 5, 2057, Xihe departed for the now-established Mars One Base, arriving on June 22, 2057. Unlike previous construction-focused missions, this expedition emphasized scientific investigation and base operations, while also pioneering the inclusion of commercial space tourism.</p>
+<p>The surface stay lasted 300 days — the longest continuous human presence on the Martian surface recorded to that date. The crew conducted extensive scientific work including Martian geological sampling, atmospheric studies, subsurface ice detection, and long-duration physiological data collection. The expedition also completed a base expansion, adding a dedicated laboratory module and upgraded water-recovery facilities.</p>
+<p>The mission's most significant milestone was carrying the first paying passengers to the Martian surface. These passengers participated in science-support work and surface exploration activities during their stay. The achievement demonstrated that deep-space tourism had reached commercial viability at both the technical and operational levels. The return leg began on April 18, 2058, with a 115 km/s injection departing Mars, arriving at Earth on May 20, 2058.</p>
+
+<h3>Europa Expedition 1 (2058-2059)</h3>
+<p>On July 10, 2058, Xihe departed LEO with a 160 km/s injection bound for the Jovian system — the first Xihe-class mission beyond Mars orbit and into the outer Solar System. After 77 days of interplanetary cruise, Xihe arrived at Jupiter on September 25, 2058.</p>
+<p>Xihe spent 288 days in the Jovian system, conducting scientific investigations across multiple target bodies. Europa surface operations, focused on subsurface ocean sounding, surface composition analysis, and radiation environment measurement, continued until December 15, 2058. The mothership then repositioned near Io for a volcanic plume sampling mission from December 20, 2058 to January 20, 2059, deploying probes to fly through eruption plumes and collect precious ejecta samples. On July 5, 2059, the expedition completed magnetic-field mapping and surface geological surveys of Ganymede.</p>
+<p>On July 10, 2059, Xihe departed the Jovian system for the 128-day return voyage, docking at Star Port Station on November 15, 2059. The success of Europa Expedition 1 irrefutably demonstrated that the Xihe class was capable of executing long-duration, complex scientific missions in the outer Solar System, opening the door to subsequent Jovian expeditions.</p>
+
+<h3>Greenhouse Upgrade and Maintenance (2059-2060)</h3>
+<p>On November 16, 2059, Xihe began a 95-day deep maintenance and upgrade cycle at Star Port Station, concluding on February 19, 2060. After missions spanning from Mars to Jupiter, the mothership required a comprehensive systems overhaul to meet the demands of more intensive, longer-distance deep-space operations.</p>
+<p>The centerpiece of this upgrade was the greenhouse module's complete renovation: the hydroponic system was upgraded from single-crop cultivation to multi-zone rotational planting, nutrient-loop efficiency was improved by approximately 40%, and automated environmental control and disease monitoring systems were added. These enhancements aimed to support longer-duration missions with reduced reliance on resupply. For radiation protection, additional composite shielding was installed around the command center, habitation modules, and medical bay. The water-recycling system underwent a complete overhaul, with all membrane filters replaced and purification units upgraded, raising the closed-loop recovery rate above 97%.</p>
+<p>Additionally, the navigation system received next-generation deep-space star trackers and inertial measurement units, all docking-seal assemblies on the forward docking hub were replaced, and the external sensor array and communications antennas underwent full calibration and partial replacement. This maintenance cycle restored Xihe's systems to near-new condition, thoroughly preparing the ship for the upcoming Europa Expedition 3.</p>
+
+<h3>Europa Expedition 3 (2060-02 - ongoing)</h3>
+<p>On February 20, 2060, the upgraded Xihe departed once more for the Jovian system with a 163 km/s injection burn. This is the Xihe class's third Jovian expedition and the most ambitious outer Solar System mission to date. Xihe is scheduled to arrive at the Jovian system on May 1, 2060.</p>
+<p>The Europa Expedition 3 mission plan encompasses consecutive exploration of multiple Jovian targets: first an Io surface landing operation, followed by a transfer to Ganymede for surface reconnaissance, and finally arrival at Callisto around May 25, 2060 for scientific observations. This multi-target continuous exploration plan takes full advantage of Jovian-system orbital alignment windows, demonstrating the Xihe class's scheduling capability for complex multi-body missions.</p>
+<p>As of March 2060, Xihe is in transit on its Jupiter transfer trajectory, with all systems operating nominally and crew in good condition. Data from this mission will provide critical input for the expansion of Europa Outpost and the planning of second-generation motherships' outer Solar System operations.</p>
+
 <table>
 <thead><tr><th>Stage</th><th>Time</th><th>Main activity</th></tr></thead>
 <tbody>
@@ -176,23 +216,19 @@
 
 <h2 id="fleet-and-successors">Fleet and successors</h2>
 <table>
-<thead><tr><th>Ship or class</th><th>Identifier</th><th>Notes</th></tr></thead>
+<thead><tr><th>Ship</th><th>Construction</th><th>Status</th><th>Current Mission</th></tr></thead>
 <tbody>
-<tr><td>Xihe</td><td>XH-01</td><td>Lead ship; completed multiple Mars and Jovian-system missions and later received Star Port upgrades.</td></tr>
-<tr><td>Taibai</td><td>XH-02</td><td>Later Xihe-class mothership used for Mars One supply transfer and base-expansion support.</td></tr>
-<tr><td>Changxi</td><td>XH-03</td><td>Later Xihe-class mothership used for Star Port servicing, Jupiter relay deployment refit, and deep-space infrastructure support.</td></tr>
-<tr><td>Stellaria class</td><td>ST series</td><td>Second-generation exploration mothership class developed from Xihe operational experience, with a larger central expansion section and Lightspeed mass-driver engine.</td></tr>
+<tr><td>XH-01 Xihe</td><td>2050-03 &rarr; 2052-02</td><td>Active</td><td>Europa Expedition 3 (Jovian system, departed 2060-02-20)</td></tr>
+<tr><td>XH-02 Taibai</td><td>2054-12 &rarr; 2056-10</td><td>Active</td><td>Post-Vesta mission maintenance, Mars Expeditions 3/4</td></tr>
+<tr><td>XH-03 Changxi</td><td>2056-02 &rarr; 2059-12</td><td>Active</td><td>Post-Jupiter relay deployment refit shakedown (2060-01)</td></tr>
+<tr><td>XH-04</td><td>2059-09 &rarr; 2061-08 (est.)</td><td>Under construction</td><td>Assembly phase</td></tr>
 </tbody></table>
 
-<h2 id="images">Images</h2>
-<div class="gallery-grid">
-<figure class="gallery-item"><div class="image-placeholder">Xihe-class side-view image placeholder</div><figcaption class="thumbcaption">Axial-spine configuration and propulsion-module placement.</figcaption></figure>
-<figure class="gallery-item"><div class="image-placeholder">XH-01 low Earth orbit assembly image placeholder</div><figcaption class="thumbcaption">Large-module transfer between Vulture shuttles, orbital shipyards, and the mothership.</figcaption></figure>
-<figure class="gallery-item"><div class="image-placeholder">Echo external berth image placeholder</div><figcaption class="thumbcaption">Two Echo shuttles or compatible vehicles as carried ferry shuttles.</figcaption></figure>
-<figure class="gallery-item"><div class="image-placeholder">Mars-system mission image placeholder</div><figcaption class="thumbcaption">The mothership remains in a high orbit while ferry shuttles serve Mars, Phobos, and Deimos.</figcaption></figure>
-<figure class="gallery-item"><div class="image-placeholder">Europa outpost support image placeholder</div><figcaption class="thumbcaption">Mothership standby and surface-operation division in the Jovian radiation environment.</figcaption></figure>
-<figure class="gallery-item"><div class="image-placeholder">Star Port upgrade image placeholder</div><figcaption class="thumbcaption">Post-return radiation shielding, navigation, and docking-structure upgrades.</figcaption></figure>
-</div>
+<p>The lead ship XH-01 Xihe pioneered deep-space mothership operations, undertaking the first deep-space test, the first crewed Mars construction mission, and the first outer Solar System expedition, while leading the core construction of Mars One Base. XH-02 Taibai began construction in December 2054 and was completed in October 2056. It subsequently executed the Vesta mission (May 2057 to January 2058) and transport support for Mars Expeditions 3 and 4, further validating the Xihe class's multi-ship production and coordination capabilities. XH-03 Changxi began construction in February 2056 and was completed in December 2059, commissioned in January 2060, with a mission specialization in Jupiter relay communications satellite deployment and deep-space communications infrastructure support. XH-04 began construction in September 2059 with expected completion in August 2061, currently in the assembly phase, maintaining Xihe-class production continuity.</p>
+
+<p>In the supporting cargo fleet, Jinniao-class cargo ships JW-01 through JW-03 provide regular heavy cargo resupply to Mars One Base and Europa Outpost, handling bulk transport of propellant, construction materials, consumables, and replacement equipment. The Jinniao class and Xihe-class motherships form a mutually supporting logistics chain stretching from low Earth orbit to the Mars and Jovian systems.</p>
+
+<p>As the Stellaria class entered service, the Xihe class gradually shifted to routine inner-Solar-System support, technology validation, and high-reliability backup platform roles. The upgraded XH-01 approached later motherships in radiation protection and data-processing capability while remaining smaller in scale and long-duration crew capacity. Construction of XH-04 confirms that the Xihe lineage maintains production capacity in the second-generation-mothership era, supplementing platform numbers for high-tempo missions.</p>
 
 <h2 id="see-also">See also</h2>
 <ul>