10 minute documentary of GWB trip into Baghdad. 1:15 starts that part of video. 7:15 Mark describes the approach. I would assume DJT’s trip was similar.

Articles with timeline and more details of Bush trip.

http://edition.cnn.com/2003/WORLD/meast/11/27/sprj.irq.bush.tic.toc/

https://www.cbsnews.com/news/background-bushs-surprise-visits-to-iraq-afghanistan/