War Thunder developer Gaijin Entertainment has apologized after using the explosion from the 1986 Space Shuttle Challenger disaster in key art for the World War 2 massively multiplayer online game.

“Hey guys, we have accidentally used the explosion from the Challenger disaster in one of our key art images,” said community manager Magazine2 on the game’s official forums. “Please ...

The short answer: fireworks and art. The longer explanation ... starting this week—as well as his ephemeral, large-scale explosion events, which have ranged from a black, smoking Christmas ...