UFO sightings in Russia

The following are some alleged sightings of unidentified flying objects in Russia:

The Tunguska event of 1908, is considered to have been the explosion of a meteor, though some regard it as an explosion of a UFO.
The Petrozavodsk phenomenon on September 20, 1977.
In Usove in Soviet Ukraine, on October 4, 1982, a group of nuclear missiles became activated as a UFO hovered above the missile launch facility. ^[1]
The Voronezh UFO incident of 1989.
The Sasovo explosions were two mysterious explosions which occurred on April 12, 1990, and July 8, 1992, equivalent to 25 tons TNT.^[2]
Early in 2012 a crashed titanium object, described as a "UFO fragment", was retrieved from a forest in the vicinity of Otradnenskoye, a rural locality in Novosibirsk Oblast, after strange sounds were heard there in December 2011. The smooth, silvery and U-shaped device, attached to a rounded section, and was not deemed to be related to space technology.^[3]

References

^ "Alien encounter sparked Soviet missile crisis". 23 June 1997.
^ UFO
^ Stewart, Bill (March 22, 2012). "'UFO fragment' under police guard". iol news. Retrieved 16 January 2014.