Does it feel solid or is it a condensed energy shield? There are actually force fields in the cells here. We could let you have a look at the different ones we have and that can be a very base level of up front comparison.

[He's already forming a plan for investigating as many possibilities as he can here, since there would be so little time to create options there.]

...Though honestly I'm not real sure that a payload that big would even put a dent in it if it cut through buildings and it's already stood up to extreme temperatures.