Like BMG50 in post three I would have expected the battlefield debris to be in better condition in the desert. The ordnance in the first photo looks like it has been underground in Europe.
John
It takes around 500 - 600lb pressure in general to set off a anti - tank mine so you can stand on it, however the kinetic energy of a man jumping on it is something else.
There was an anecdotal ammunition accident around WWII where an instructor did just that and wiped out a classroom of students.
Springs can corrode enough to have no strength.Yes that's what I thought. I don't know what the effect of a man (of unknown weight) jumping from say 1.5 metres would be on an anti tank mine. However after 40 years the sensitivity could change.
John
Regarding condition, while deep in the desert steel is often well preserved other than for a surface rusting, it should be borne in mind that the town/railway stop of El Alamein is almost on the coast. Steel items that have experienced salt-laden sea breezes for even a few years will have invariably corroded much more significantly.
Tom.