Unfortunately it's the general level of maturity of many posters...
Top pic: does he have a folding cup in his chest pouch to use for watering the dog?
Paratrooper's 202 battalion operating in Nablus:
the sleeping-in-the-cheder-ochel pic did it for me, so recognizable
Navy missile ship crews, during crew test, or however you translate בוחן צוות:
Golani's 51 battalion during training:
Gibush(trials) for Yahalom, the combat engineers special forces unit: