KAMISHOVAYA, Crimea - ABC News tailed a massive Russian military convoy for more than an hour tonight. First spotted at a checkpoint in Sevastopol, Crimea, some 40 vehicles with Russian license plates stretched for a few miles along the highway. Most plates were marked "21? for Russia's Chuvashia region.

Following this huge #Russia convoy, stretches for a few miles. 21 license plates mean they're from Chuvashia, a long way from home. #Ukraine

- Alexander Marquardt (@MarquardtA) March 4, 2014

After heading south of Sevastopol, toward Balaklava, the convoy pulled into a Russian base in Kamishovaya. More than 1,200 miles from home.

Huge 40+ vehicle #Russia convoy just pulled into a Russian base in Kamishovaya near Sevastopol. #Crimea #Ukraine

- Alexander Marquardt (@MarquardtA) March 4, 2014

It's unclear if there were troops in all of these vehicles, or where they were coming from at 10 p.m.