Originally Posted by
ncvet61
You might read the comments in this forum
http://www.flyertalk.com/forum/ameri...scow-visa.html They run the gamit from "it's ok" to problems with boarding without a visa and Russia's failure to see the humor in US citizens flying to their country for 2-3 hours and returning back to the USA. I don't know if any of this would apply to you,

but be aware of their comments and advise...
He's not doing a mileage run... he'll be at DME in transit with connecting ticket in hand... big difference from doing a mileage run.
DME has boosted it's image and services over the past years based on it being a major go-between for Asia and Europe. The OP's situation is a very, very common occurance at DME and should experience no other issues other then potential boredom.