# Explosive Reactive Armor Era
Explosive Reactive Armor Era is the 2022 to 2023 wave of 4chan /k/ and Reddit /r/NonCredibleDefense memes that mocked tank crews in the Ukraine war for their ERA setups. Early posts ripped on Russian ERA blocks that looked half-empty or stuffed with cardboard, then flipped to make fun of Ukrainian soldiers piling extra ERA onto their newly delivered Leopard 2 tanks.
## Overview
Explosive Reactive Armor Era refers to a wave of tank memes that blew up on 4chan's /k/ board and Reddit's /r/NonCredibleDefense during 2022 and 2023, driven by images from the Russian invasion of Ukraine[4]. ERA itself is defensive plating that detonates outward on impact, breaking up shaped-charge projectiles before they can punch through a tank's hull[1]. Photos of tanks caked in small explosive bricks became online shorthand for wartime absurdity[4].
The first wave mocked Russian ERA installations for looking half-empty, poorly maintained, or in one viral photo, apparently stuffed with cardboard[4]. Posters coined the nickname "CopeBricks" as a jab at what they framed as self-deceptive engineering, echoing older terms like Copium and Cope Cages[3]. Once Ukraine received Western tanks in 2023, the same subculture flipped and started mocking Ukrainian crews for piling ERA bricks onto every flat surface of their new Leopard 2s[4].
## How It Spread
The Ukrainian half of the joke crystallized around the Polish Leopard 2 tank transfer. On January 6th, 2023, /k/ threads picked up chatter about Warsaw preparing to send the German-made tanks to Kyiv, and Newsweek covered the pending deal shortly after[2]. Poland confirmed the handover on February 24th, 2023[2]. A day later, an older 2021 photo of a man rubbing K-1 ERA bricks on his face resurfaced on /k/ and set the tone for the next wave[3].
On March 29th, 2023, a /k/ thread about a Leopard 2 supposedly slathered in Ukrainian-added ERA sparked the visual formula that carried the meme[4]. The same day, Redditor SenpaiPingu posted the first Flork of Cows edit to /r/NonCredibleDefense, where it pulled around 8,600 upvotes in 15 days[4]. On April 6th, Redditor BlackMarine posted a Flork of Cows piece showing two Ukrainian soldiers strapping ERA bricks onto a Star Wars Star Destroyer, hitting roughly 13,200 upvotes in six days[4].
The Flork of Cows artist joined in on April 10th, 2023 with a Twitter comic riffing on the joke, and eight days later a Reddit post from the artist's FlorkofcowsForReal account effectively blessed the meme use of the characters, gaining around 6,600 upvotes in under a day[4].
## How to Use
The common template pairs two Flork of Cows characters, coded as Ukrainian soldiers, with an image of some object completely covered in ERA bricks[4]. Typical versions escalate the surface being armored, from tanks to civilian vehicles to fictional sci-fi ships like Star Destroyers[4]. Text is often minimal or absent, since the visual joke does the work.
## Frequently Asked Questions
### What is Explosive Reactive Armor Era?
The Explosive Reactive Armor Era is a run of 2022 to 2023 tank memes that spread on 4chan's /k/ board and /r/NonCredibleDefense, mocking first Russian and then Ukrainian ERA setups during the Ukraine war[4].
### Where did Explosive Reactive Armor Era come from?
The meme wave took off after the March 5th, 2022 spread of a Russian ERA brick photo (with apparent cardboard filler) from 4chan's /k/ to /r/NonCredibleDefense, following Russia's invasion of Ukraine[4].
### What does Explosive Reactive Armor Era mean?
ERA stands for Explosive Reactive Armor, defensive plating that detonates outward on impact to break up shaped-charge projectiles before they penetrate a tank's hull[1]. The meme "Era" refers to the 2022 to 2023 window when ERA imagery hit peak virality on /k/ and /r/NonCredibleDefense[4].
### How do you use Explosive Reactive Armor Era?
The common template pairs two Flork of Cows soldiers with an image of some object plastered in ERA bricks, riffing on the perception that Ukrainian troops over-armored their new Leopard 2 tanks after Poland delivered them in February 2023[2].
### Is Explosive Reactive Armor Era still popular?
Activity peaked in 2023 after the Flork of Cows format took over /r/NonCredibleDefense in April[4]. The trend cooled once the initial visual gag played out, though tank ERA jokes stayed part of the subreddit's meme mix[4].
## References
1. [https://defence-industry.eu/explosive-reactive-armour-era-evolution-and-impact-on-tank-warfare/]()
2. [https://www.newsweek.com/leopard-2-tanks-ukraine-germany-poland-challenger-2-abrams-1773283]()
3. [https://knowyourmeme.com/memes/explosive-reactive-armor-era]()
4. [https://www.reddit.com/r/NonCredibleDefense/]()
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