[rurounijones]

It is a bit disengenuous to imply that an F-15 is a "missile truck" that can go mach 2+.

There is no way it will be going anywhere near mach 2 with double rails carrying AIM-120s, let alone 20 of the missiles in total.

[twic]

In an engagement with an S-400, bits of it will probably end up going at mach 2+.

[hongseleco]

Not unless you have EA-18Gs and EC-130s raising the noise floor along with lots of disposable drones cluttering the fire control RADAR. And more missile truck F-16s, F-18s, and F-15s carrying AGM-88s to supress/destroy the RADARs and MALDs to add more clutter and become seductive targets.