So, here in Iraq, there are times the enemy wants to lash out in their death throws so they lob things at us. We have amazing systems to deal with such things so its not really an issue. When we know it’s coming we run for the bunkers which are placed strategically around the FOB. These bunkers sometimes are built up and reinforced like this Hesco behemoth:

But mostly, they are like this one, a concrete tube. Sometimes they have sandbags and sometimes, like this one, just the tube. What they all have in common is the small opening you have to get through in order to get to safety. 

There is literally a “cleft in the rock” though which is safety.

On Sunday, we sang this:

Rock of Ages, cleft for me,
let me hide myself in thee;
let the water and the blood,
from thy wounded side which flowed,
be of sin the double cure;
cleanse me from its guilt and power.