Military personnel outside ambulance station potentially contaminated by suspected nerve agent used to poison Sergei Skr

The speaker expresses uncertainty about how long they will be at a certain place and instructs someone to inform Michael about this uncertainty.

What does the speaker imply about their future plans?

How does the speaker feel about their current situation?

Who is the speaker suggesting to inform?

What can be inferred about the relationship between the speaker and Michael?

What is the significance of the number '2nd' in the context?