Proximity Fuses Won The Battle Of The Bulge

[DGM]

I've always thought it was Patton's armor coming to the rescue and the clearing of the skies which provided air cover that enabled the Army to win that battle.
Yesterday, I came across this on YouTube.
Never to old to learn something new, I found this to be fascinating.
YouTube disallowed the link.
If your interest is piqued look up:

Germans Were Surprised When Proximity Fuses Wiped Out Entire Formations At The Battle Of The Bulge​