US Army preparing to award contracts for Strategic Long Range Cannon

[F-22Raptor]

The Army is forging gun tubes and readying initial contracts for a new system intended to operate with the Long Range Hypersonic Weapon in the opening salvos of a major fight against a near-peer military force. The Strategic Long Range Cannon is a prototype mega-cannon envisioned to fire rounds hundreds of miles at high-priority enemy radar and air-defense sites, namely those of Russia and China. A fiscal year 2020 new-start science and technology effort aiming for a 2023 demonstration...

https://insidedefense.com/daily-news/army-preparing-award-contracts-strategic-long-range-cannon

 

[Yongpeng Sun-Tastaufen]

I think it's similar to Russia's new howitzers which shoot up to 80 km.

https://en.wikipedia.org/wiki/2S35_Koalitsiya-SV

 

[Sine Nomine]

The Army is forging gun tubes and readying initial contracts for a new system intended to operate with the Long Range Hypersonic Weapon in the opening salvos of a major fight against a near-peer military force. The Strategic Long Range Cannon is a prototype mega-cannon envisioned to fire rounds hundreds of miles at high-priority enemy radar and air-defense sites, namely those of Russia and China. A fiscal year 2020 new-start science and technology effort aiming for a 2023 demonstration...

https://insidedefense.com/daily-news/army-preparing-award-contracts-strategic-long-range-cannon

Is this similar to AGS?