>The Germans in WW II developed stealth technology by the Horton Brothers. The developed the HO-229 in 1944.
Experimental HO-229 is nothing to do with “stealth” in modern conception.
Russia has advanced material science, airframe designs and math to implement stealth technology.
So why Russia should be “50 years behind of the USA when it comes to stealth technology?”
Showing your pro-Russia colors again