I always pack anything I am not willing to lose in my carry on - electronics, medications, camera, travel diary, any jewellery etc, plus at least one change of clothes and spare glasses. I also have an extra book and an inflatable neck pillow. Toiletries and clothes go in the checked bag.
Rally 'Round the Flagg, Boys. (M*A*S*H TV series, Season 7) The Colonel Samuel Flagg character is a careful CIA Agent whose area of assignment includes the 4077th MASH unit on the CBS television series M*A*S*H, played by actor Edward Winter.
He has been at war since he was a teenager, almost 30 years ago, in the thick forests and mangroves of Casamance. Moustapha Coly, a commander of the rival Diatta Group, has had a similar career. We started fighting with bows and arrows, sticks and axes.