Basically GROM getting "leave" and then ending up with their whole team inside Ukraine as "contractors", just with deniability.

https://militarywatchmagazine.com/article/polish-mercenaries...

Regarding efforts to provide deniability for their operations, a Polish officer informed him: “we worked out a formula for our presence in Ukraine … we were simply sent on paid leave. Politicians pretended not to see this.” The Polish Volunteer Corps has appeared to use the same model to provide cover for the mass deployment of Polish Armed Forces personnel, who are technically former personnel when entering the theatre, with their presence having for years been widely reported on multiple frontlines. In February 2026, the lower house of the Polish parliament adopted legislation to provide legal cover to Polish citizens who fought in the ongoing Russian-Ukrainian War.

https://www.telegraph.co.uk/world-news/2026/07/03/russia-pla...

https://www.pravda.com.ua/eng/news/2026/07/12/8043770/

https://abcnews.com/International/wireStory/baltics-poland-w...

Edit:

Added: https://youtu.be/5RBY1cY-GF8?is=rVFFKVnBxkmsF9aM

Pic: https://x.com/intermarium24/status/1659954927299440641