Pokrovsk is a big deal. When it fully collapses, it will leave Russia with many kilometers of open territory to roll over. From Simplicius at simplicius76.substack.com:
Donald Trump claims to have parked nuclear subs closer to Russia after a tiff with fellow bronzer enthusiast Dmitry Medvedev. The Pentagon appeared to downplay his comments, replying they “defer” to his statements, which is a nice way of saying: “We didn’t move any subs, but let’s just give little Donnie his venting space.” Even war-hog John Bolton had to concede the move was a charade:
[see linked article for video]
Of course, the act’s real motivation was Trump needing to pump himself due to insecurity about his perceived weakness and inability to move Russia an inch on the negotiations and cessation-of-hostilities front. He needed to signal his ‘strength’, though he did it in a way that signals precisely the opposite.
Trump also made waves with his statement of mind-blowing Russian casualties, claiming that Russia suffers 20k KIA per month:

This provided ready fodder for several news cycles of the pro-UA crowd’s propaganda about massive Russian losses. It came as a much needed jolt to energize their hopes, essentially convincing them that the current frontline situation isn’t as catastrophic as it seems because Russia will eventually run out of men:

Subs? Got Poseidon.
How they keep grinding with professionalism, it is impressive.
Notice the deadline dropped by 40 days as RF advances.