TOKYO -- As U.S. President Joe Biden remains convinced his Russian counterpart Vladimir Putin intends to invade Ukraine, satellite images taken Friday and other days this week also show a further military buildup around Russia-Ukraine borders.

A satellite image shows a Russian helicopter deployment at Donuzlav Lake in Crimea. Satellite image ©2022 Maxar Technologies
S-400 Triumf surface-to-air missile systems deployed in Belarus
TOKYO -- As U.S. President Joe Biden remains convinced his Russian counterpart Vladimir Putin intends to invade Ukraine, satellite images taken Friday and other days this week also show a further military buildup around Russia-Ukraine borders.