"Roger that" has long been used in radio communication as a way to confirm a message was received, which is why this kind of clip feels so familiar in games and internet edits. Online, short acknowledgement sounds like this spread through shooter montages, Discord memes and military parody videos. It stays popular because the phrase is instantly understood and easy to drop into any scene that needs a fast, confident response. It is often used alongside callout clips such as Enemy Spotted to sell the radio-comms vibe.