A military facility near Oktyabrskiy, in Russia's Tver region, photographed by satellite on September 18.
The storage site was believed to hold Iskander and Tochka-U missiles. Both weapons have been used extensively against Ukraine.
The remains of the Oktyabrskiy site seen on September 22 after a Ukrainian strike.
The September 18 attack was one of several on Russian military storage sites apparently carried out by Ukraine in recent days using a domestically produced cruise missile.
The Oktyabrskiy facility seen on September 18. Hours after this photo was taken, scores of Ukrainian cruise missiles slammed into the site.
Witnesses on the ground reported hearing the distinctive whine of turbojet engines amid the strikes, giving credence to the theory that Ukraine's "Palyanytsia" cruise missiles were used.
The still smoldering Oktyabrskiy base appears to have been largely destroyed in this September 22 photo.
Piles of munitions seen being offloaded from a train in Toropets, in Russia's Tver region, on September 7.
The aftermath of a strike that targeted the Toropets ammunition dump seen on September 22. Some munitions produced by North Korea are believed to have been stored in Toropets.
Buildings within the Toropets site that had probably already been selected as targets by Ukraine when this September 7 photo was taken.
The Toropets site seen on September 22 in the aftermath of the Ukrainian strike. The force of the explosion leveled scores of trees.
A section of the facility in Oktyabrskiy where possible missile canisters can be seen lined up next to a railway line on September 18.
A September 22 photo showing the aftermath of the strike that wiped out the buildings along the railway line at Oktyabrskiy.
A military storage facility at Tikhorets, in Russia's Tver region, on September 14.
The Tikhorets site seen on September 22 after being largely destroyed in a September 20 strike. Ukraine's military called the site, "one of the key points in the Russian military logistical system."
Photos taken before and after a series of strikes deep inside Russian territory show entire storage facilities have been leveled by attacks apparently made using Ukrainian-made cruise missiles.