In message , Oh No
writes
Thus spake "
Oh No wrote:

I am not sure that that
is what they are saying because I had been given to believe that the
measurements of Mars are the most accurate within the Solar system.

Perhaps in percentage terms, ranging using
the corner refectors on the Moon achieves cm
accuracy.

Sorry, I overlook the obvious.

Apache Point hopes to get millimeter accuracy but doesn't seem to have
done so at the last update (June 2006)
http://physics.ucsd.edu/~tmurphy/apollo/apollo.html