[FPSPACE] UR-100 questions

[Jim Davis]

Asif wrote:

>>Asif's website http://home.earthlink.net/~cliched/missiles/masterlist.html
>>lists both the Chelemoy SS-11/SS-19 series  and the Yangel SS-17 series as
>>having an OKB designation "UR-100". Is there some reason for this?
>
>As I list in my website,
>
>the SS-11 had the UR-100 (and UR-100K, UR-100M, UR-100U) designations
>...while...
>the SS-17 had the MR UR-100 (and MR UR-100U) designations
>
>so they're slightly different.
>
>My understanding is that even though they were two very different missiles,
>the MR UR-100 used the modified silos and transport containers that the
>original UR-100 used. I suspect this was the reason for the similar (but
>not identical designations) -- although I am not 100% sure of this.

Thanks to you and Mark Wade for clearing this up. I was reading your list
as having MR and UR-100 as two separate designations for the same vehicle.

And let me add that your "Challenge to Apollo" was a fantastic value on
every level. I would not have hestitated to pay much more for this book.

Jim Davis