What’s the best prank in uniform you've seen? Comment below!

At crypto school, after learning how to set up and operate the equipment, we had exercises in which part of the class would encrypt a message, following which the other group would decrypt it. It didn't take too long for someone to figure out how to prank t
an unsuspecting naive guy. We would encrypt a message with the usual heading and cipher settings code group, begin typing a typical message but then just hold the "space" key down. The machine would still print out 5 letter code groups as usual, but when the guy in the other group would begin decryption, the tape would come out blank. The operator would think the machine was out of ink, not working right, or he just did something wrong. After trying everything, he would ask for help from the instructor, who knew exactly what had happened. Wasn't his first rodeo.

Got to my first duty station as a new PFC right out of ITR (hey. I felt "salty" already, making PFC in boot camp). I was a 2531 (radio operator). The Gunny sent me to the comm. shack to get a box of zero beats! I went back indoctrinated! (OK, only communicators from analog days probably get this). Semper Fi.

I was not fortunate to see any!

Sending Privates for diesel "spark" plugs, blinker fluid, 100 yards of flight line or a box of grid squares

-We also took unattended flight caps, soaked them in water, then put them in the freezer for the day.
-Stuffed chad and the little circular things leftover from the two hold punches in gloves, hats, and jacket pockets.
-Find the phone number for a KFC and leave a message saying Colonel Sanders called and leave that KFC number as the call back number.
-Carbon paper rubs on headset earpieces was always good for mid shift.
-Last but not least, the ever popular if you fell asleep on position, they tied your shoe laces together.

Oh so many to chose from but the best:
We had a two stall latrine in our ops building on Brooks AFB. Every morning nearly every one of the SNCOs would make their way to the latrine with newspaper in hand. One day, some young airman decided to place a pair of boots and pants in each stall, lock each of the stall doors and crawl out. We kinda hung around the hallway to watch them go in and turn right around. After about an hour and a half one of the SNCOs shouted alright who the hell is in there. No answer. He actually looked under the stall. Of course when he came out of the latrine into the hallway, the hallway was empty. Every airman under the rank of E5 was either on weeds and seeds, washing deuce and halfs, or buffing the ops floor and hallways. I opted for washing the deuces and a halfs. It got me out of their line of sight for a few hours.

When I was deployed to Iraq we like to play pranks on the new LTs that came into the unit. One time there was a new LT that came in and some buddies took and made an MRE bomb and put it under his seat. Never saw an LT move so quick in my life. We had a good laugh later over it.

While stationed over seas a Shipmate and I had the responsibility to make sure everyone made it to morning rollcall on time . There was one who was a Hard Sleeper and no matter how much we tried , he wouldn't buge . After many weeks of him being late , we took it upon ourselves to teach him a lesson , everyone else was paying for his lateness now it was his...after every one was awaken and left the barrack , we stayed behind and while he was still dead asleep , we wrapped him up with tucktape along with his bunk like a mummy and he never did show up . Last we heard , he was Put On Report and never saw him again . Maybe in his next stop , he became a light sleeper and was never late again , I sure hope so .

Freezing ball caps was always fun. We took one guys hat and instead of freezing it in bucket we soaked it in water and then routinely sprayed it with additional water so that the hat would be keep the basic shape of the hat as the layers of water froze. Pretty soon, we had a hat shaped glacier in our freezer. What got the most laughs was when the guy who’s hat we froze would come in and spray the hat. I thought he was going to cry when we finally told him.

A good or bad prank, depending on point of view, in Security Forces, there was a rule not to leave your beret behind. If you left your beret, anywhere, there was a good chance that someone would take a black grease pencil and mark it up. When you put it on the grease would smear onto your forehead leaving a long-lasting stain. One kid, he was Hispanic, got pranked and it was so bad that it looked like he had electrical tape from his eyebrows to his hairline. He was ordered to leave the beret on all day because he was working the main gate. Fortunately, it was only 85* outside.