“Two more Ukrainian Excalibur precision artillery strikes against Russian Armour in the South; a T-72B3 Obr. 2016 and a BMP(-2) IFV destroyed.”
https://twitter.com/UAWeapons/status/1588215458204979206
“The fist video of a Slovakian Zuzana 2 155mm self-propelled howitzer in action with Ukrainian forces - we can see the process of automatic ammunition loading and firing. 8 of these SPHs were purchased by Ukraine from Slovakia with first 4 pieces delivered in August.”
https://twitter.com/UAWeapons/status/1588180004609093634
Just to refresh our memories: Excalibur is a GPS- and inertial-guided munition capable of being used in close support situations within 75–150 meters (250–490 ft) of friendly troops.
The drones are providing highly accurate GPS coordinates to artillery.
Here's a pretty picture: