Thread by @jseldin

NEW: Day 33 of #Russia's invasion of #Ukraine - +1,370 missile launches by Russia, per a senior US defense official

Also - Russian forces:
-"making no efforts" to move on #Kyiv
- stalled around #Chernihiv, #Kharkiv

More: "The Ukrainians are slugging it out in #Mariupol...keeping the #Russia|ns at bay, so far" per a senior US defense official

Russian forces moving to the SE of #Izyum - "incremental progress"

#Kherson remains contested, #Ukraine holding onto #Mykolaiv

#Russia drawing on its forces in #Georgia, seeing indication the Russian military is interested in other reinforcements from elsewhere, per a senior US defense official

US remains focused on providing #Ukraine w/security systems its forces already know how to use, per a senior US defense official

Says shipments from the US, other countries being delivered daily

No update on possibility on Ukraine getting #S300 air defense systems

US has seen "the #Russia|ns announce humanitarian corridors and then shell them" or strike them, over past cpl of weeks, per a senior US defense official

#Russia's "made no progress moving toward #Kyiv. They've made no progress elsewhere in the north," per a senior US defense official

Russian forces "very much in a defensive posture" per the official "The Ukrainians are continuing to try to take back ground" w/success

#Mariupol - "We continue to see Mariupol getting slammed by long-range fires" per a senior US defense official

Reports #Ukrainians fighting very hard but US assesses city "nearly encircled"

#Ukraine air defense systems holding up vs #Russia, per a senior US defense official

Says majority of Ukraine's air defense systems still available to Ukrainian forces-US, allies helping w/resupply

Russia still unable to establish air superiority-"It's remarkable" per official

NEW: US says #Russia has not attempted to interdict any weapons/security shipments to #Ukraine, per a senior US defense official

#Irpin - US not able to verify #Ukraine's claims it has retaken it from #Russia|n forces, per a senior US defense official

#Russia|n forces "are prioritizing the #Donbas area. We're seeing a lot more ground activity in the Donbas" per a senior US defense official

Part of apparent effort to "cut off the Donbas"

NEW: #Russia|n forces-"They clearly are not moving on #Kyiv anymore" per a senior US defense official

Says it appears to be part of Russia's reprioritization of eastern #Ukraine

#Mariupol - no US assessment on casualties there, per a senior US defense official

"We do see the continued just relentless pounding on Mariupol [by #Russia]...we know its having a devastating effect on the town & on the ppl there"

NEW: @USNavy Growlers heading to #Germany "not there to engage #Russia|ns assets" per a senior US defense official

"They are there, as everything else is there...to reinforce our deterrence posture on the Eastern Flank"

NO new communications between US-#Russia, per a senior US defense official

Says not aware of any attempts by US over the weekend to contact Russian counterparts