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B-21

Brett327

Well-Known Member
None
Super Moderator
Contributor
Might be possible actually, we just had the first successful test of an engine that can switch from turbojet to ramjet, so it can take off and maintain low speeds than go hypersonic. It'd be pretty hard to defend against a small almost undetectable plane going like mach 8 lmao
It’s just as hard to defend against a slow moving, undetectable target. You’re not going to see a manned hypersonic weapon. That doesn’t make a lot of sense. For now, hypersonics are just conventional payloads on an ICBM.
 

CallumJohn

Active Member
It’s just as hard to defend against a slow moving, undetectable target. You’re not going to see a manned hypersonic weapon. That doesn’t make a lot of sense. For now, hypersonics are just conventional payloads on an ICBM.
? I do wonder if we'll see them in the near future though.
 

taxi1

Well-Known Member
pilot
It’s got a different flight profile for exactly that reason.
I think if I was a farmer in North Dakota and saw one come out of the backyard silo, and even knowing it's just sending a glider down range, I'd still shit my pants.
 
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Flash

SEVAL/ECMO
None
Super Moderator
Contributor
For now, hypersonics are just conventional payloads on an ICBM.
? I do wonder if we'll see them in the near future though.
It’s got a different flight profile for exactly that reason.
I think if I was a farmer in North Dakota and saw one come out of the backyard silo, and even knowing its sending a glider down range, I'd still shit my pants.

Ask half a dozen 'smart' folks about hypersonics today and you'll likely get at least 4 or more answers. As with many things, it gets complicated when you start digging. Some weapons that are claimed to be hypersonic are in fact capable of hypersonic speeds but they don't fit into the widely accepted or popular contemporary definition of a 'hypersonic' weapon. Fun fact, hypersonic weapons have been around for ~70 years and they're more popularly known as ballistic missiles (not all ballistic missile reach hypersonic speeds but most do or are capable of doing so).

What is talked about today in the context of hypersonic weapons covers a relatively wide range of systems that encompasses short to long-ranged weapons, launched from a variety of platforms against a variety of targets with conventional and nuclear warheads. Hypersonic weapons pretty much all need some sort of booster to achieve hypersonic speeds, and the easiest way to do this is strap them to the top of a ballistic missile but not all get up to speed that way. Of course, then you get in to what exactly is a 'ballistic' missile nowadays since many don't fly a classic 'ballistic' flight path...

Anyways, manned hypersonic platforms that aren't likely in the cards in the near future. The cost just ain't worth it, and what would the point be? An unmanned system to do the same job would not only cost less and be able to do it just as well but would also be much lower risk.
 

CallumJohn

Active Member
Ask half a dozen 'smart' folks about hypersonics today and you'll likely get at least 4 or more answers. As with many things, it gets complicated when you start digging. Some weapons that are claimed to be hypersonic are in fact capable of hypersonic speeds but they don't fit into the widely accepted or popular contemporary definition of a 'hypersonic' weapon. Fun fact, hypersonic weapons have been around for ~70 years and they're more popularly known as ballistic missiles (not all ballistic missile reach hypersonic speeds but most do or are capable of doing so).

What is talked about today in the context of hypersonic weapons covers a relatively wide range of systems that encompasses short to long-ranged weapons, launched from a variety of platforms against a variety of targets with conventional and nuclear warheads. Hypersonic weapons pretty much all need some sort of booster to achieve hypersonic speeds, and the easiest way to do this is strap them to the top of a ballistic missile but not all get up to speed that way. Of course, then you get in to what exactly is a 'ballistic' missile nowadays since many don't fly a classic 'ballistic' flight path...

Anyways, manned hypersonic platforms that aren't likely in the cards in the near future. The cost just ain't worth it, and what would the point be? An unmanned system to do the same job would not only cost less and be able to do it just as well but would also be much lower risk.
I heard a quote, "Murica's been messing with hypersonics since your dad was born"
 

Brett327

Well-Known Member
None
Super Moderator
Contributor
I think if I was a farmer in North Dakota and saw one come out of the backyard silo, and even knowing it's just sending a glider down range, I'd still shit my pants.
Farmers in North Dakota aren’t what STRATCOM is worried about.
 

Flash

SEVAL/ECMO
None
Super Moderator
Contributor
Speaking of hypersonics, here is this year's China Military Power Report that has a few mentions of Chinese hypersonic weapons. Among the highlights:

Hypersonics and Fractional Orbital Bombardment. The PRC is probably developing advanced nuclear delivery systems such as a strategic hypersonic glide vehicle and a fractional orbital bombardment (FOB) system in part due to long-term concerns about United States missile defense capabilities, as well as to attain qualitative parity with future worldwide missile capabilities. On July 27th, 2021, the PRC conducted a test of an ICBM-range hypersonic glide vehicle that travelled 40,000 kilometers. The test likely demonstrated the PRC’s technical ability to field a FOB system.
 

taxi1

Well-Known Member
pilot
On July 27th, 2021, the PRC conducted a test of an ICBM-range hypersonic glide vehicle that travelled 40,000 kilometers.
What was its trajectory? Altitude? The circumference of the Earth is about 40,000 kilometers.
 
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