Doesn’t really matter if they have any number of caskets if you can’t get the bodies to the caskets.
With an EMP attack no truck or car will work unless that car has been stored inside a Faraday cage during the EMP attack.
An EMP attack will burn out every computer board, every motor, every generator, every cell phone. Any electronic device in the EMP blast radius that was not EMP harden (which is almost exclusively DOD special purpose equipment) will become instantly useless.
Without truck to hall the dead or excavators to dig the graves the dead will pretty much rot where they died. Nineteenth century tech will become highly sought after.
Even if they could transport the dead I don’t think they have the facilities to handle 300 million dead.
Serenity ... just sayin’
do some YouTube searches on Gov’t underground facilities/cities.
they will have plenty of working vehicles and all else.
We won’t