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{{Infobox add-on
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'''Project Apollo for Orbiter''' ( formerly known as '''NASA's Apollo Space Simulation Project''' or short: '''NASSP''' ) is an [[add-on]] for [[Orbiter]] which recreates the [[Apollo]] missions.
| 1 = [https://sourceforge.net/projects/nassp/ SourceForge]
 
| 2 = Team project
 
| 3 = 7.0 (stable), 8.0 (beta)
 
| 4 = Orbiter 2010 (7.0), Orbiter Beta (8.0)
 
}}
 
'''Project Apollo for Orbiter''' (formerly known as '''NASA's Apollo Space Simulation Project''' or short: '''NASSP''') is an [[add-on]] for [[Orbiter]] which features in-depth and accurate simulation of the [[Apollo]] missions.
 
  
 
==Background==
 
==Background==
  
NASSP was originally developed by Jean-Luc Rocca-Serra, who released the source code to version 4.x. Mark Grant then rewrote the code as C++, added an initial C++ implementation of the Apollo Guidance Computer, and replaced the control panel bitmaps with new ones from P64. He subsequently released 'NASSP COSTAM' and a derivative which provided basic support for the Virtual AGC software.
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NASSP was originally developed by Jean-Luc Rocca-Serra, who released the source code to version 4.x. Mark Grant then rewrote the code as C++, added an initial C++ implementation of the Apollo Guidance Computer and replaced the control panel bitmaps with new ones from P64, releasing 'NASSP COSTAM' and a derivative which provided basic support for the Virtual AGC software.
  
 
Jean-Luc released NASSP 5.0, an updated version based on that source code, for the next release of Orbiter, including, for example, new particle exhaust support and a Skylab launch module.
 
Jean-Luc released NASSP 5.0, an updated version based on that source code, for the next release of Orbiter, including, for example, new particle exhaust support and a Skylab launch module.
  
With the 6.x release it became ''Project Apollo for Orbiter'', an open source Apollo simulation add-on: for simplicity, both software variants are described here as NASSP. The latest 'stable' version is 7.0.
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With the 6.x release it became ''Project Apollo for Orbiter'', an open source Apollo simulation add-on: for simplicity, both software variants are described here as NASSP. The latest 'stable' version is 6.4.3.
  
The 8.0 release is currently in beta, including a near-complete simulation of the command module control panel and most of the internal systems, and support for new spacecraft. It is also capable of flying most of an Apollo mission using the Virtual AGC software.
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The 7.0 release is currently in Beta, including a near-complete simulation of the Command Module control panel and most of the internal systems, and support for new spacecraft. It is also capable of flying most of an Apollo mission using the Virtual AGC software.
  
 
==Features==
 
==Features==
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NASSP 5.x does not currently run under Orbiter 2006 as its Solar System files are incompatible with the new Orbiter format. It could probably be made to run with some changes to the config files.
 
NASSP 5.x does not currently run under Orbiter 2006 as its Solar System files are incompatible with the new Orbiter format. It could probably be made to run with some changes to the config files.
  
As an extension to NASSP Rodion M. Herrera and others did the NEP (NASSP Enhancement Pack), which contains lunar landing scenarios and mission-specific astronauts etc. A modified NEP version is still available for Project Apollo - NASSP 6.4.3.
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====NASSP 6.x====
 
 
Also, there was an experimental Virtual AGC integration add-on called Virtual Apollo based on Mark Grant's NASSP_COSTAM v2. Meanwhile, it's obsolete and replaced by the Virtual AGC mode in Project Apollo - NASSP. The [http://nassp.sourceforge.net/user/virtualapollo/ documentation] is still online.
 
 
 
=== NCPP 1.0 ===
 
 
 
NCPP (NASSP Complete Panel Project) was done by Matthias and Fabian Müller based on NASSP 5.2 and was the first version with realistic panels. Compared to the panels in the 7.0 beta, which are done by Matthias and Fabian Müller, too, it was only a beginning, of course.
 
 
 
* New CSM and LM control panel
 
 
 
====Project Apollo - NASSP 6.x====
 
 
 
At the beginning of 2005 Jean-Luc Rocca-Serra wasn't able to further develop NASSP and the add-on began to scatter a little bit. Additionally to NASSP 5.2 and NEP 1.0 meanwhile, there was NCPP 1.0 and later on NASSP 6.1, which was an enhancement/fix of NCPP 1.0 for Orbiter 2005. Because all these add-ons depended on each other, at the worst time the user needed to install 7 or 8 files from 3 sites in a certain order. It was so weird that Dan Stephan wrote a quite adequate article about that on his site: "Houston, this add-on has a problem..."
 
 
 
At that point, some people (like Mark Grant, Matthias Müller, etc.) decided to move NASSP to SourceForge as a GNU GPL licensed open source project to save NASSP from vanishing completely and to make team development possible. At that point we wanted to rename the add-on to the more intuitive name "Project Apollo", but this project name wasn't available at SourceForge so we made a compromise and took NASSP as project "unix name" (SourceForge term for the unique project name used for URLs etc.) and "Project Apollo - NASSP" as project title and bundled all these components together for the 6.3 release.
 
  
 
* Rebuilt for 2005 Orbiter release.
 
* Rebuilt for 2005 Orbiter release.
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* Basic LEM ascent autopilot.
 
* Basic LEM ascent autopilot.
 
* Improved AGC emulation.
 
* Improved AGC emulation.
* Improved Saturn 1B autopilot.
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* Improved Saturn 1b autopilot.
* More realistic command module aerodynamics.
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* More realistic Command Module aerodynamics.
  
====Project Apollo - NASSP 7.0====
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====NASSP 7 (beta)====
  
 
[[Image:NASSP-panel.jpg|thumb|right|NASSP 7.0 control panel]]
 
[[Image:NASSP-panel.jpg|thumb|right|NASSP 7.0 control panel]]
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Or, more accurately, 'Project Apollo for Orbiter 1.0'.
  
 
* Fully functional 2D Panel Support throughout the CM.
 
* Fully functional 2D Panel Support throughout the CM.
 
* 3D Virtual Cockpit (nonfunctional at the moment)
 
* 3D Virtual Cockpit (nonfunctional at the moment)
* Realistic simulation of most major spacecraft systems.
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* Realist simulation of most major spacecraft systems.
 
* Historically accurate checklists.
 
* Historically accurate checklists.
 
* NEW CM, SM, and KSC meshes (VAB,LUT,LC34/37/39,MSS,MLP,Crawler etc.)
 
* NEW CM, SM, and KSC meshes (VAB,LUT,LC34/37/39,MSS,MLP,Crawler etc.)
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Project Apollo for Orbiter 1.0/NASSP 7.0 supports a number of spacecraft. Most are historical spacecraft used in the Apollo program, but some are proposed post-Apollo designs which never flew in the real world.
 
Project Apollo for Orbiter 1.0/NASSP 7.0 supports a number of spacecraft. Most are historical spacecraft used in the Apollo program, but some are proposed post-Apollo designs which never flew in the real world.
  
===Command and service module===
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===Command/Service Module===
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NASSP simulates the Block II Command/Service Module, providing a home and life support for the astronauts in space.
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[[Image:NASSP7CSMInOrbitSmall.jpg|thumb|right|NASSP 7.0 CSM in Earth orbit]]
 
[[Image:NASSP7CSMInOrbitSmall.jpg|thumb|right|NASSP 7.0 CSM in Earth orbit]]
NASSP simulates the Block II Command and service module, providing a home and life support for the astronauts in space.
 
  
 
The CM was the nerve center of the Apollo spacecraft, as it functioned as primary control and navigation platform during the missions.  It housed the highly-advanced (for the 1960s) Apollo Guidance Computer, as well as all the systems the astronauts would need to safely re-enter earth's atmosphere.
 
The CM was the nerve center of the Apollo spacecraft, as it functioned as primary control and navigation platform during the missions.  It housed the highly-advanced (for the 1960s) Apollo Guidance Computer, as well as all the systems the astronauts would need to safely re-enter earth's atmosphere.
  
The Service Module contained the systems that were vital for the extended stay of up to 10 days in space. This included fuel cells to provide power and water, as well as radiators to keep the internal systems cool. Also housed in the service module were the primary propulsion systems, including the RCS maneuverability thrusters and the SPS, used for major course corrections. In later Apollo lunar missions, this versatile component contained a SIM Bay for the additional scientific study of the lunar surface the space surrounding our nearest celestial neighbor.
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The Service Module contained the systems that were vital for the extended stay of up to 10 days in space. This included fuel cells to privide power and water, as well as radiators to keep the internal systems cool. Also housed in the service module were the primary propulsion systems, including the RCS maneuverability thrusters and the SPS, used for major course corrections. In later Apollo lunar missions, this versatile component contained a SIM Bay for additional scientific study of the lunar surface the space surrounding our nearest celestial neighbor.
  
As the core of the Apollo hardware, the CSM is a high priority for NASSP development. It has received a complete and ongoing overhaul for NASSP 7.0, complete with new graphics, meshes, and systems simulations.
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As the core of the Apollo hardware, the CSM is a high priority for NASSP development. It has received a complete and ongoing overhaul for NASSP 7.0, complete with new graphics, meshes and systems simulations.
  
 
===Lunar Module===
 
===Lunar Module===
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[[Image:NASSP7LEMOnMoonSmall.jpg|thumb|right|NASSP 7.0 LEM on the Moon]]
 
[[Image:NASSP7LEMOnMoonSmall.jpg|thumb|right|NASSP 7.0 LEM on the Moon]]
  
The lower Descent Stage carried the large Descent Engine, fuel for the landing, and batteries and supplies required for the stay on the Moon. It also carried a limited amount of cargo, including, on the later flights, the Lunar Rover. Its final role was to act as a launch pad for the Ascent Stage when the lunar landing phase was complete and they flew back to dock with the CSM in orbit.
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The lower Descent Stage carried the large Descent Engine, fuel for the landing, and batteries and supplies required for the stay on the Moon. It also carried a limited amount of cargo, including, on the later flights, the Lunar Rover. It's final role was to act as a launch pad for the Ascent Stage when the lunar landing phase was complete and they flew back to dock with the CSM in orbit.
  
 
The upper Ascent Stage provided living quarters for the crew while on the Moon, controls for the landing and ascent, and the smaller Ascent Engine and fuel to carry them into orbit. The Ascent Stage could dock with the CSM itself, but in normal circumstances the docking was flown by the more maneuvrable CSM.
 
The upper Ascent Stage provided living quarters for the crew while on the Moon, controls for the landing and ascent, and the smaller Ascent Engine and fuel to carry them into orbit. The Ascent Stage could dock with the CSM itself, but in normal circumstances the docking was flown by the more maneuvrable CSM.
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===Saturn V===
 
===Saturn V===
  
The three-stage launcher used to launch command and service module and Lunar Module towards the Moon. This was used to launch Apollos 8 through 17.  It is arguably the most powerful rocket ever flown into space.
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Three-stage launcher used to launch a Command/Service Module and Lunar Module towards the Moon. This was used to launch Apollo's 8 through 17.  It is arguably the most powerful rocket ever flown into space.
  
 
The Saturn V in NASSP is a highly detailed and increasingly more realistic machine.  Current development is minimal, as it has already reached a high level of detail and accuracy.
 
The Saturn V in NASSP is a highly detailed and increasingly more realistic machine.  Current development is minimal, as it has already reached a high level of detail and accuracy.
  
===Saturn IB===
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===Saturn 1b===
  
The two-stage launcher used to launch a Command/Service Module into Earth orbit. This was used for Apollo 7, the Skylab flights, and the Apollo-Soyuz Test Project flight.  Recent studies have shown that the Saturn IB may have been one of the most cost-effective boosters in lbs per dollar.
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Two-stage launcher used to launch a Command/Service Module into Earth orbit. This was used for Apollo 7, the Skylab flights, and the Apollo-Soyuz Test Project flight.  Recent studies have shown that the Saturn 1b may have been one of the most cost-effective boosters in lbs per dollar.
  
Like the Saturn V, NASSP's Saturn IB is highly detailed and extremely accurate.  As a result, it is not a high priority at this time.
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Like the Saturn V, NASSP's Saturn 1b is highly detailed and extremely accurate.  As a result, it is not a high priority at this time.
  
 
===ASTP Docking Module===
 
===ASTP Docking Module===
  
Although rather limited as a spacecraft in its own right, the Apollo-Soyuz Test Program Docking Module allows an Apollo command and service module to dock with a Russian Soyuz spacecraft in orbit and transfer crew between them.  The Docking Module is carried into orbit as cargo on a Saturn 1B, in the same way, that the Lunar Module is carried as cargo on a Saturn V.
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Although rather limited as a spacecraft in its own right, the Apollo-Soyuz Test Program Docking Module allows an Apollo Command/Service Module to dock with a Russian Soyuz spacecraft in orbit, and transfer crew between them.  The Docking Module is carried into orbit as cargo on a Saturn 1b, in the same way that the Lunar Module is carried as cargo on a Saturn V.
  
Development on the Docking Module is currently stalled as work proceeds on higher-priority items, however, it is open to further development and will more likely than not see its share of upgrades.
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Development on the Docking Module is currently stalled as work proceeds on higher-priority items, however it is open to further development and will more likely than not see it's share of upgrades.
  
 
==='Apollo to Venus' Wet Workshop test===
 
==='Apollo to Venus' Wet Workshop test===
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[[Image:Apollo-eyeballs-out.jpg|thumb|right|'Wet Workshop' test SIVB burn]]
 
[[Image:Apollo-eyeballs-out.jpg|thumb|right|'Wet Workshop' test SIVB burn]]
  
NASA's Manned Venus Flyby plans using Apollo technology would have used an SIVB stage to launch a three-man crew towards Venus, after which they would vent remaining fuel from the SIVB, extend solar panels, and live in it as a Skylab-style space station. They would conduct generalized astronomical and zero-gravity experiments for most of their trip, and for a few days around the flyby, they would conduct detailed observations of Venus.
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NASA's Manned Venus Flyby plans using Apollo technology would have used an SIVB stage to launch a three-man crew towards Venus, after which they would vent remaining fuel from the SIVB, extend solar panels and live in it as a Skylab-style space station. They would conduct generalised astronomical and zero-gravity experiments for most of their trip, and for a few days around the flyby they would conduct detailed observations of Venus.
  
 
NASSP 7.0 includes a simulation of the first test phase, in which the astronauts would use the SIVB to raise their orbit for a test of the 'wet workshop' of up to one month in duration. Rather than solar panels, the test phase uses batteries in the SIVB stage to provide power to supplement the Service Module fuel cells and conserve consumables in the Service Module for the return to Earth.
 
NASSP 7.0 includes a simulation of the first test phase, in which the astronauts would use the SIVB to raise their orbit for a test of the 'wet workshop' of up to one month in duration. Rather than solar panels, the test phase uses batteries in the SIVB stage to provide power to supplement the Service Module fuel cells and conserve consumables in the Service Module for the return to Earth.
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[[Image:INT-20-first-stage.jpg|thumb|right|Saturn INT-20]]
 
[[Image:INT-20-first-stage.jpg|thumb|right|Saturn INT-20]]
  
The two-stage launcher used in a similar manner to the Saturn 1b to launch a Command/Service Module and larger payload into Earth orbit: essentially a cut-down Saturn V with no second stage, mounting an SIVB stage directly on top of the S1C first stage. The S1C also had one engine removed, as the five-engine stage produced too much thrust and would have caused problems with excessive dynamic pressure during launch.
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Two-stage launcher used in a similar manner to the Saturn 1b to launch a Command/Service Module and larger payload into Earth orbit: essentially a cut-down Saturn V with no second stage, mounting an SIVB stage directly on top of the S1C first stage. The S1C also had one engine removed, as the five-engine stage produced too much thrust and would have caused problems with excessive dynamic pressure during launch.
  
The primary benefit of the INT-20 was a payload capacity about half-way between the Saturn 1b and Saturn V without the cost of creating a new launcher from scratch: the stages were close enough in design that they could be built on the same production line as the Saturn V stages. A three-engine version with a lower payload was also studied but isn't simulated in NASSP.
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The primary benefit of the INT-20 was a payload capacity about half-way between the Saturn 1b and Saturn V without the cost of creating a new launcher from scratch: the stages were close enough in design that they could be built on the same production line as the Saturn V stages. A three-engine version with a lower payload was also studied, but isn't simulated in NASSP.
  
Another non-historic craft, the INT-20 showed much promise on the drawing board and NASSP hopes to bring such promise to live in the virtual world.
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Another non-historic craft, the INT-20 showed much promise on the drawing board and NASSP hopes to bring such promise to life in the virtual world.
  
 
==Future spacecraft==
 
==Future spacecraft==
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[http://en.wikipedia.org/wiki/Manned_Venus_Flyby Wikipedia] has some more information.
 
[http://en.wikipedia.org/wiki/Manned_Venus_Flyby Wikipedia] has some more information.
  
===Command and service module===
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===Command/Service Module===
  
 
Support may be added for the proposed Block-III CSM with batteries for power in place of fuel cells, and the Block-IV CSM with batteries for power and LEM engines in place of the SPS.
 
Support may be added for the proposed Block-III CSM with batteries for power in place of fuel cells, and the Block-IV CSM with batteries for power and LEM engines in place of the SPS.
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===Lunar Motorbike===
 
===Lunar Motorbike===
  
Designed as a backup to the Lunar Rover. See [http://www.hq.nasa.gov/office/pao/History/alsj/misc/apmisc-S69-41519.jpg NASA image].
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Tentatively planned for Apollo 20. See [http://www.hq.nasa.gov/office/pao/History/alsj/misc/apmisc-S69-41519.jpg NASA image].
  
 
===Original Saturn plans===
 
===Original Saturn plans===
  
The original Saturn-A, -B, -C, and Nova designs, possibly including the earlier lunar landing plans based on multiple launches, or the single launch putting the entire CSM onto the Moon using the massive [http://www.astronautix.com/lvs/saturnc8.htm Saturn C-8] booster.
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The original Saturn-A, -B, -C and Nova designs, possibly including the earlier lunar landing plans based on multiple launches, or the single launch putting the entire CSM onto the Moon using the massive [http://www.astronautix.com/lvs/saturnc8.htm Saturn C-8] booster.
  
 
For more information see, for example, [http://www.astronautix.com/lvfam/saturnc.htm Saturn-C family] and [http://www.astronautix.com/lvfam/nova.htm Nova family] at Astronautix.com.
 
For more information see, for example, [http://www.astronautix.com/lvfam/saturnc.htm Saturn-C family] and [http://www.astronautix.com/lvfam/nova.htm Nova family] at Astronautix.com.
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===Saturn 1===
 
===Saturn 1===
  
The Saturn 1 was the precursor to the Saturn 1B, using an SIV stage in place of the SIVB. The SIV was smaller, with a lower fuel capacity, and used multiple RL10 engines in place of the J2 engine on the SIVB.
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The Saturn 1 was the precursor to the Saturn 1b, using an SIV stage in place of the SIVB. The SIV was smaller, with a lower fuel capacity, and used multiple RL10 engines in place of the J2 engine on the SIVB.
  
===Saturn 1B MLV===
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===Saturn 1b MLV===
  
As part of NASA's cost-cutting plans, they studied a derivative of the Saturn 1b which would replace the S1B stage with a solid rocket similar in size to a shuttle SRB. In essence, this was a 1960s version of NASA's new 'Stick' launcher for the CEV.
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As part of NASA's cost-cutting plans, they studied a derivative of the Saturn 1b which would replace the S1B stage with a solid rocket similar in size to a shuttle SRB. In essence this was a 1960s version of NASA's new 'Stick' launcher for the CEV.
  
 
===Saturn INT-21===
 
===Saturn INT-21===
  
The two-stage launcher used to launch large payloads into Earth orbit. This was used for the Skylab mission.
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Two-stage launcher used to launch large payloads into Earth orbit. This was used for the Skylab mission.
  
 
===Saturn S-ID stage===
 
===Saturn S-ID stage===
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==Comparative screenshots==
 
==Comparative screenshots==
  
NASSP has changed significantly over the years, as models, textures, and control panels were updated; historical accuracy was improved, and new special effects were added. NASSP 5.x screenshots are currently missing as it won't run as released under Orbiter 2006.
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NASSP has changed significantly over the years, as models, textures and control panels were updated, historical accuracy was improved and new special effects were added. NASSP 5.x screenshots are currently missing as it won't run as released under Orbiter 2006.
  
 
{| border="1" cellpadding="1"
 
{| border="1" cellpadding="1"
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{{HasPrecis}}
 
{{HasPrecis}}
  
[[Category: Articles]]
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[[Category:Add-ons|PROJECTAPOLLO]]
[[Category:Orbiter 2010 add-ons]]
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[[Category:Vessel add-ons|PROJECTAPOLLO]]
[[Category:Orbiter Beta add-ons]]
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[[category:realistic add-ons|PROJECTAPOLLO]]
[[Category:Vessel add-ons]]
 
[[category:Realistic add-ons]]
 
[[Category:Historical]]
 

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