In the Navy

The Pánico was a hundred feet below the surface, on the way to Nares Plain for an exercise, when the order arrived.
"Captain, we have a telegraph."
Eduardo Calamaro, the commanding officer of the submarine, took the strip of paper. He paled and his eyes threatened to pop out.
"With all due respect, did anyone tell our beloved Presidente how babies are made?" He passed the paper to the XO, who began reading loud.
"To help our declining birth rate, all members of the military are to engage in coitus every day, effective immediately."
"I'm down," piped up one ensign.