User blog comment:KATANAGOD/Call of Duty: Black Ops II In-Depth Preview/@comment-1840877-20120502175740/@comment-1142365-20120502221506

Kravchenko's body probably took the blast. A human body will suppress most of the blast energy from a standard frag grenade. Maybe Woods grabbed onto something while Kravchenko fell down and exploded.

Who knows.