Subreddits similar to r/SR71

99k subs

This community is for discussion among pilots, students, instructors and aviation professionals.
https://reddit.com/r/flying/

r/aviation

471k subs

Anything related to aircraft, airplanes, aviation and flying. Helicopters & rotorcraft, airships, balloons, parachutes & skydiving, paragliders, winged suits and anything that sustains you in the air is acceptable to post here.
https://reddit.com/r/aviation/

r/WarshipPorn

87k subs

We're dedicated to posting the ***highest quality*** & ***largest*** images of ships of war, from the lowliest gunboat to the most glorious battleships of yore, be they from antiquity, the Age of Sail, or the modern era. **Ship models, blueprints, and schematics are accepted as well!**
https://reddit.com/r/WarshipPorn/

r/MachinePorn

553k subs

High quality images of machines and machinery.
https://reddit.com/r/MachinePorn/

r/WarplanePorn

39k subs

A subreddit for the appreciation of things that fly without registration.
https://reddit.com/r/WarplanePorn/

r/TopGear

210k subs

The best subreddit... in the world
https://reddit.com/r/TopGear/

r/MilitaryPorn

269k subs

High quality images of the military (from all countries).
https://reddit.com/r/MilitaryPorn/

r/aviationpics

15k subs

https://reddit.com/r/aviationpics/

r/Helicopters

23k subs

Helicopters Subreddit
https://reddit.com/r/Helicopters/

r/KerbalSpaceProgram

633k subs

The Kerbal Space Program subreddit. For all your gaming related, space exploration needs. http://kerbalspaceprogram.com
https://reddit.com/r/KerbalSpaceProgram/

r/engineering

254k subs

The hub for all content related to the engineering discipline.
https://reddit.com/r/engineering/

r/blog

17m subs

https://reddit.com/r/blog/

r/flightsim

62k subs

For all those who love to fly the virtual skies.
https://reddit.com/r/flightsim/

r/MilitaryGfys

134k subs

*MilitaryGfys* is a place for sharing military moments from around the world and throughout history in the small, easy to share html5/WebM video format, also known as Gfys!
https://reddit.com/r/MilitaryGfys/

r/Military

203k subs

The largest military subreddit on reddit.
https://reddit.com/r/Military/

r/WeirdWings

27k subs

A subreddit spawned from /r/weirdwheels with the same intent, only with planes! This sub is for documenting all those strange planes out there from prototype to production. All aircraft are allowed, including helicopters (despite the sub name).
https://reddit.com/r/WeirdWings/

r/spacex

383k subs

Welcome to r/SpaceX, the premier SpaceX discussion community and the largest fan-run board on the American aerospace company SpaceX. This board is not an official outlet for SpaceX information.
https://reddit.com/r/spacex/

r/JusticePorn

632k subs

Where Justice is Made
https://reddit.com/r/JusticePorn/

r/FighterJets

10k subs

Pics, Articles, Videos, Games, and more!
https://reddit.com/r/FighterJets/

r/InternetIsBeautiful

14m subs

This is a subreddit based around sharing awesome, usually minimal and single-purpose websites and webtools. Also, note to self: If this subreddit gets huge, awesome, if it does not, I will simply use it to back up my bookmarks! << top kek Sure, I'm dissapointed you guys removed my post, I was keen to hear what people on the Internet thought of it. But it mainly saddens me to see beauty constrained by such tyranny
https://reddit.com/r/InternetIsBeautiful/

r/talesfromtechsupport

607k subs

Welcome to **Tales From Tech Support**, where we share our stories of: * *Incredible Feats* of Networking Heroics; * *Tech Troubleshooting* Under the Direst Circumstances; * *Unsolvable Problems* Cracked by Sheer Genius and/or Pure Luck; * *Moral Support* after Having Dealt with Difficult Clients; * And of course, **Stupid User Stories!** We've got a bit of a lull in the queue just now, so kick back, grab a cold one, and share your best tales among friends here at TFTS!
https://reddit.com/r/talesfromtechsupport/

r/guns

476k subs

A place for responsible gun owners and enthusiasts to talk about guns without the politics.
https://reddit.com/r/guns/

r/MURICA

304k subs

A subreddit for FREEDOM! 'MURICA! FUCK YEAH!
https://reddit.com/r/MURICA/

r/ThingsCutInHalfPorn

354k subs

For your cut in half needs.
https://reddit.com/r/ThingsCutInHalfPorn/

r/watchpeopledie

BANNED / PRIVATE

Welcome to watchpeopledie. This community is intended to observe and contemplate the very real reality of death. We are attempting to provide a service by showcasing this content. We value the first responder, military, coroner and mortician community that participates here. This is not intended to be a shock or gore subreddit. Be careful, and be safe. quarantine_message: "It is dedicated to shocking or highly offensive content.".
https://reddit.com/r/watchpeopledie/

r/Skookum

71k subs

Skookum is a Chinook word with many meanings. Strong. Best. Powerful. Brave. Tough. Hardworking. It was the northwest loggers who gave the name to Skookum products for their unfailing dependability and rugged strength.
https://reddit.com/r/Skookum/

r/bestof

5m subs

The very best comments on reddit.
https://reddit.com/r/bestof/

r/wec

37k subs

The official subreddit for the FIA World Endurance Championship, and the ACO's 24 Hours of Le Mans.
https://reddit.com/r/wec/

r/submarines

20k subs

Subreddit for everything Submarines!!!
https://reddit.com/r/submarines/

r/hoggit

31k subs

Welcome to /r/hoggit, a noob-friendly community for fans of high-fidelity combat flight simulation. Discussion primarily focuses on DCS: World and BMS. This is not a full on reprimand-you-for-having-your-navigation-lights-on-when-you-shouldn't-have type outfit here. You'll find we foster a laid back atmosphere to learn how to work the various modules available in DCS.
https://reddit.com/r/hoggit/