The Parable of the Submarine and the Kittens

One day while teaching, Josh was asked, ”Teacher, is there anywhere that is safe from modern telephony?"

Josh spoke thus:

A submarine captain had ordered radio silence.  There were enemy submarines and enemy ships in the vicinity, and absolute stealth was required for survival.
The captain used hand signals to inquire of the sonar operator whether there were any ships or subs approaching.  The sonar operator indicted by hand signal that the ships and submarines in the area were not moving closer.
Everybody on the bridge breathed as quietly as they could and moved only when absolutely necessary.  When an ensign scratched the back of his neck, everyone on the bridge heard it.  The captain glared at the ensign.  The ensign signed an apology.  A marine on security detail twitched his nose, nervous about actually rubbing it.  The captain smiled and indicated that careful rubbing of noses was not going to attract the attention of the enemy.  The marine rubbed his nose gratefully.
There was an eruption of laughter from the engine room.  To be more accurate, there was a surge of bated sniggering, but in the enforced silence and exaggerated closeness of everybody within the cramped submarine, the sniggering seemed as loud ad a football crowd.
The captain rushed to the engine room and inquired with an angry looked what all the laughter was about.  A seaman held a smartphone up for the captain to see.  The captain, furious, snatched the smartphone from the seaman.
On the screen of the smartphone was a kitten.  The kitten climbed into a small paper bag, and when the kitten was entirely within the bag, a second kitten snapped the bag shut, trapping the first kitten inside.
The captain watched the scene unfold and glared at the seaman who had been holding the smartphone. The captain watched the scene again a smiled.  The captain watched the scene a third time and barely suppressed a laugh.
Below the video on the screen was a comments section.  The captain began typing in the comments section.
“LOL,” the captain typed, “I know just how that kitten...”
Before the captain finished there was a loud boom and the submarine rocked.
From the submarine’s intercom, the admiral of the fleet’s voice rang out.
“Your ship has been hit, you have failed the exercise,” the admiral of the fleet said, “You broke radio silence, and we were able to locate you through a smartphone signal.  Why were you sending and receiving smart phone signals?  Forward to me what was so important that you broke radio silence and lost your ship and crew.”
The captain forwarded the video to the admiral.
A minute later, the ship’s morse code operator relayed a message to the captain.
“It’s from the admiral,” the morse code operator told the capatin.  It’s just three letters, repeated.”
“What are the letters?” captain asked.
The morse code operator replied, “The message is L-O-L, sir.”