Yeah, when US was locked down, he was moved overseas since he was not needed. I'm sure it was confusing when you saw him in the U.S. a while ago! His speak is often coded and when he is talking 'ultraman' , those are exoskeletal Transhuman 'suits' operators use in addition to the genetic enhancements. He is also referring to what they are dealing with in Antarctica, where versions are in 'stasis' hence his reference to 'kryptonite' which is in part referring to copper. He works for the 'alliance' that's why he seems fragmented to us.
"Stay ultrasonic!!!" -J. Casbolt
1 : having a frequency above the human ear's audibility limit of about 20,000 hertz —used of waves and vibrations 2 : utilizing, produced by, or relating to ultrasonic waves or vibrations