Sorry for shit format, at work and trying to piece this together on the fly.
Pompeo tweet with .gov link ending in xA89E
Very next tweet includes the word key and Pennsylvania
Roman numeral x = 10, other letters capitalized A1B2C3... 10 + 1 + 89 + 5 = 105
Drop 105 Pennsylvania is the keystone state; search drops for keystone to find these lines -
Be [p]repared. Ope[r]ations underway. Operators [a]ctive. Graphic is essential. Find the ke[y]stone. Help appreciated, further research needed??
Also did you notice that Pompeo did an American first as his first post of the day for 5 days in a row?? 54321?? Not sure just trying my hardest to figure it all out. New here but I "see" all the clues.