B-52 and old outdated 1955 Expensive and rather useless junk missile bait. Extremely easy to detect and shoot down from a very long distance. In Vietnam war so many were shot down by poorly armed Viet Cong. Want to make PLA laugh?
B-52 museum display their wreckage in Vietnam
HQ-9 can Piak it @200km
S-400 @ 400km
HQ-29 @ 300km
HQ-19 @ over 1500km
PLA long range radar can see it from far in-land Tibet over 4500km