"Western officials are warning of an accumulation of Russian aircraft on Ukraine's borders, potentially signaling a major air offensive as the invasion approaches its one-year anniversary, according to multiple reports."
"NATO allies have noted both fixed-wing and rotary aircraft as part of the build-up, unnamed Western officials told the Financial Times.
An unnamed senior US official echoed the assessment, telling Politico that there is "some prepositioning of air assets" as part of wider arrangements for a new mobilization."
https://news.yahoo.com/western-intelligence-says-russia-amassing-141707835.html
Russia amasses aircraft within range of Ukraine as new offensive begins
https://www.express.co.uk/news/world/1734869/russia-amasses-aircraft-within-range-of-ukraine-new-offensive-begins?ref=todayheadlines.live