In my experience, it's faster and easier to get a US replacement passport at an embassy abroad. Takes about ten days.
My wife has her N400 interview coming up in a few days. If she passes and gets sworn in as a citizen next month and has a naturalization certificate, can she fly out of the USA on her foreign passport and then apply for a US passport at a US Embassy abroad, rather than trying to get the US passport here in the USA?
Is there any downside to doing this?
Thanks