See Photos From the Russian Plane Crash and Its Aftermath

An Egyptian soldier stands guard as emergency workers unload bodies of victims from the crash of a Russian aircraft over the Sinai peninsula from a police helicopter to ambulances at the military airport in Kabrit, Egypt, on Oct. 31, 2015

Debris from crashed Russian jet lies strewn across the sand at the site of the crash in the Sinai region in Egypt on Oct. 31, 2015.

Wreckage at the site where a Russian aircraft crashed in Egypt's Sinai Peninsula near El Arish city, on Nov. 1, 2015.

Ambulances transporting the bodies of the victims of the Russian passenger flight crash arrive at the Zeinhom morgue in Cairo on Oct. 31, 2015.

People arrange candles to make a cross to commemorate 224 victims of a Russian airliner which crashed in Egypt, on the stairs of the Christ the Saviour Cathedral in Moscow on Nov. 1, 2015.