Ok Periscope < PREMIUM · 2025 >

In naval terminology, a periscope is an essential optical instrument used by submarines to observe the surface while remaining submerged. For decades, the command "OK, periscope depth" has been a staple in submarine bridge communication, signaling the crew to ascend to roughly 30 feet below the surface.

The phrase is often used by streamers or players as a verbal confirmation ("Ok, periscope depth") before initiating a stealth attack or "hydrophone-time" to listen for enemy ships. suborbital space flight july 21, 1961 ok periscope

Astronauts like Gus Grissom (Liberty Bell 7) used the phrase "OK, periscope [is] in" or "extend periscope" during critical mission phases. In naval terminology, a periscope is an essential

Here’s a balanced and positive review for OK Periscope , depending on what you’re referring to (the song, the band, or a product). Since the most common reference is the song by , I’ll go with that. If you meant something else, let me know and I’ll adjust it. suborbital space flight july 21, 1961 Astronauts like

Players use the periscope to identify targets while staying submerged.