Anonymous ID: 3e12cc Jan. 3, 2018, 5:02 p.m. No.237291   🗄️.is 🔗kun   >>7302

>>237242

 

>What is a "dry run"?

A testing process where the effects of a possible failure are intentionally mitigated.

>What could have been just that recently?

CBP computer system airport outages?