Lockheed Martin Provides Plan/Rationale for Earth/Moon L2 Deep Space Station

[Buster's Uncle]

Lockheed Martin Provides Plan/Rationale for Earth/Moon L2 Deep Space Station
By Mark Whittington | Yahoo! Contributor Network – 22 hrs ago.. .



 Josh Hopkins of Lockheed Martin made a presentation to the Future In-Space Operations (FISO) study group about telerobotic exploration of the far side of the moon from a deep space station deployed at the Earth/moon L2 point.
 
The presentation, which took place on Nov. 14, represents the position of Lockheed Martin and not necessarily NASA, though it does provide several arguments for using the deep space station as a remote base for lunar exploration. A slide presentation and an audio of the talk are available.
 
Timeline for L2 lunar far side missions

The presentation envisions missions to the Earth/moon L2, where the gravities of the Earth and moon cancel out above the lunar far side, to be part of an overall exploration program aimed at Earth-approaching asteroids, culminating in a mission to the Martian moon Deimos and telerobotic operations of the Martian surface from there. The first flight to the Earth/moon L2, by the end of the current decade, would be conducted by an Orion multi-purpose crew vehicle alone and would last for 30 days. Subsequent missions would involve a deep space station to be deployed in a "halo orbit" around the Earth/moon L2 and would last several months.
 
Science rationale for L2 lunar far side missions

The presentation suggests two types of telerobotic missions to the lunar far side, controlled by astronauts at an L2 deep space station. One would be a sample return mission from the lunar far side, the better to understand the early history of the solar system which featured heavy bombardment of the moon. The samples would be gathered by teleoperated robots, taken to the deep space station, and then returned to Earth via the Orion.
 
Another would be the deployment of a radio telescope instrument directly on the lunar surface. Since the lunar far side is blocked from electromagnetic emissions from the Earth, it represents a radio "quiet zone" that is beneficial to radio astronomy.
 
Communications latency

The presentation suggests that telerobotic operations would benefit from a deep space station at the L2 point because of reduced communications latency, i.e. the time it takes for a command to be sent to a robot on the lunar surface. The time is 3.5 seconds from the Earth as opposed to .4 seconds from L2. This position disputes the analysis of Paul Spudis, who suggests that the difference does not provide any significant advantage.
 
Practice for deep space missions

The presentation suggests that the main reason for deploying a deep space station at the Earth/moon L2 point is to serve as practice for deep space missions to asteroids and ultimately to Mars orbit. The telerobotic operations would be of some value as practice for similar missions to Mars.
 

http://news.yahoo.com/lockheed-martin-provides-plan-rationale-earth-moon-l2-173600531.html

[Green1]

Thing is, if you read a bit more on the more detailed NSF article on another board,  it talks about dismantling the ISS for parts to do it. Not sure how that is going to go over.

[Unorthodox]

Only way to dismantle the ISS is to get the partners to agree, which would make this need to be a multinational project as well. 

Considering no other nation would be able to taxi much up to the L2 site at present, it's a bit of a stretch to say the least.  Some radio telescopes on the far side of moon might have some merit, but the cost is so astronomical it's not even funny.