Satellite image shows military equipment deployed to Klimovo Storage Facility, Bryansk Oblast, Russia, Jan. 19, 2022. (Satellite image ©2022 Maxar Technologies)

Satellite image provides a closer view of armored personnel carries and trucks at Klimovo Storage Facility, Bryansk Oblast, Russia, Jan. 19, 2022. (Satellite image ©2022 Maxar Technologies)

Satellite image shows military equipment at Klimovo Railyard, Bryansk Oblast, Russia, Jan. 19, 2022. (Satellite image ©2022 Maxar Technologies)

Satellite image of Klintsy facility, Bryansk Oblast, Russia, Dec. 25, 2021. (Satellite image ©2022 Maxar Technologies)

Elements of the 41st Combined Arms Army, including hundreds of tanks, self-propelled artillery and other military equipment are deployed in a training area located near Yelnya, Russia, approximately 160 miles north of the Russia – Ukraine border, Nov. 9, 2021. (Satellite image ©2021 Maxar Technologies)

Satellite image provides an overview of deployed units in Yelnya, Russia, Jan. 19, 2022. (Satellite image ©2022 Maxar Technologies)

Satellite image provides a closer view of additional tanks, artillery, and support equipment in Yelnya, Russia, Jan. 19, 2022. (Satellite image ©2022 Maxar Technologies)

Satellite image provides a closer view of tanks, artillery, and support equipment in Yelnya, Russia, Jan. 19, 2022. (Satellite image ©2022 Maxar Technologies)

Satellite image provides a closer view of battle groups and vehicles in Yelnya, Russia, Jan. 19, 2022. (Satellite image ©2022 Maxar Technologies)

Several Russian battle groups, including tanks, armored personnel carriers, artillery and a long-range multiple rocket unit is deployed in Pogonovo Training Area near Voronezh, Russia, Dec. 21, 2021. (Satellite image ©2021 Maxar Technologies)

Satellite image provides an overview of deployments in Pogonovo Training Area, Voronezh, Russia, Jan. 16, 2022. (Satellite image ©2022 Maxar Technologies)

Satellite image provides a closer view of the deployment in Pogonovo Training Area, Voronezh, Russia, Jan. 16, 2022. (Satellite image ©2022 Maxar Technologies)

Satellite image provides a closer view of tanks, artillery, and tents in Pogonovo Training Area, Voronezh, Russia, Jan. 16, 2022. (Satellite image ©2022 Maxar Technologies)