[Goose]

I think that's a bit fanciful.  Here's the map of the Russian occupation with the GLOCs highlighted.



https://www.criticalthreats.org/wp-conte...6x1024.png



Ukraine capturing Kreminna will put some pressure on Russian resupply by eliminating a node, but to really slice Russian troops in two, the Ukranians would have to capture Staroblisk, which is much further east.  I think capturing Kreminna would allow Ukraine to put pressure on Rubizhne, Lysychansk, and Sieverodonetsk, which would have symbolic value because of the effort the Russians expended to capture that area in the summer, but might also allow the Ukranians to put pressure north towards Svatove.  I think it would be helpful, but not a game-changer.


BC

The route that would be cut is the P66 road parallel to the FEBA between Lysychansk and Svatove. This is the main North-South route which allows Russia to quickly shift supplies and more importantly reinforcements from one area to the other. Cutting that route means everything going North-South has to go through Staroblisk (as you noted). That is a long detour and undoubtedly would create serious problems for Russia. It leaves a big triangle of land where Ukraine could operate that Russia could not easily reinforce or resupply. Note that the highways here are all "secondary" roads with limited capacity.

Cutting the P66 is indeed a significant advantage to Ukraine and places more defensive pressure on Russia. Instead of a relatively short front from
Lysychansk to Svatove they now must defend  Svatove to Staroblisk and Staroblisk to Lysychansk. That front is probably about 2.5 to 3 times as long and Russia will be on exterior lines of communication in that area. That will require lots more troops, and if you leave openings, Ukraine will find them.

[Goose]

I think that's a bit fanciful.  Here's the map of the Russian occupation with the GLOCs highlighted.



https://www.criticalthreats.org/wp-conte...6x1024.png



Ukraine capturing Kreminna will put some pressure on Russian resupply by eliminating a node, but to really slice Russian troops in two, the Ukranians would have to capture Staroblisk, which is much further east.  I think capturing Kreminna would allow Ukraine to put pressure on Rubizhne, Lysychansk, and Sieverodonetsk, which would have symbolic value because of the effort the Russians expended to capture that area in the summer, but might also allow the Ukranians to put pressure north towards Svatove.  I think it would be helpful, but not a game-changer.


BC

The route that would be cut is the P66 road parallel to the FEBA between Lysychansk and Svatove. This is the main North-South route which allows Russia to quickly shift supplies and more importantly reinforcements from one area to the other. Cutting that route means everything going North-South has to go through Staroblisk (as you noted). That is a long detour and undoubtedly would create serious problems for Russia. It leaves a big triangle of land where Ukraine could operate that Russia could not easily reinforce or resupply. Note that the highways here are all "secondary" roads with limited capacity.

Cutting the P66 is indeed a significant advantage to Ukraine and places more defensive pressure on Russia. Instead of a relatively short front from
Lysychansk to Svatove they now must defend  Svatove to Staroblisk and Staroblisk to Lysychansk. That front is probably about 2.5 to 3 times as long and Russia will be on exterior lines of communication in that area. That will require lots more troops, and if you leave openings, Ukraine will find them.