The shell went off as they played with it, killing two of them.
Maybe if we make one of those, the shells will go for it.
Then a shell went into our engine room so we couldn't even try to run away any more.
The shell went off above ground level; fragments hissed through the air.
Glinn noted that, as he expected, the shells were going wide.
Every time the shells went off, we looked up and grinned at each other.
As they dove in the door the mortar shell had gone off just over their heads.
Once a regular shell went off, at least it was gone.
Thus, nearly all the shells either went wide or exploded too soon.
The next shell went deeper into the soft ground, almost exploding underneath them.