yes
Yes.
Yes Gambians need a Schengen visa to transit Germany
Which passport do you hold and where are you traveling from/to?
Yes, See the US Immigration Page for more details
flying to usa stop over in transit in heathrow-sa passport do I need a transit visa
Thai passport holder need transit visa entering Japan. Transit visa could be obtain in the airport if only at emergency like extreme prolonged flight delay or the transit flight would be from another airport. In general it would need to sort out Transit visa beforehand.
No, you need a visa
You do not need a transit visa but a passport is required to re-enter the USA
Panama does not require a transit visa if your connecting flight leaves before 12 hours is up. If you are staying in Panama for a period of longer than 12 hours and must pass through immigration, you will need a passport.
You do not need a transit visa, if you do not go out of the airport to see London or change airports at London.
To transit through Amsterdam, you typically need a valid passport, visa (if required), and proof of onward travel. Additionally, you may need to meet specific entry requirements based on your nationality and the purpose of your visit. It's important to check the latest travel regulations and guidelines before your trip.