Although they are not venomous, their bites contain bacteria that can infect humans.
In 2012 a news report told of a soldier who almost lost his leg after being bitten while on patrol. He only recovered after three years, during which he underwent 17 operations.
A horror film came out last year about camel spiders, which would be enough to set any soldier quivering from their prone position. I'll bet they'd rather look at the ground beneath them than along the site of their rifle.
Wikipedia says: The Solifugae are an order of animals in the class Arachnida known variously as camel spiders, wind scorpions, sun spiders, or solifuges. The order includes more than 1,000 described species in about 153 genera.
I've never had a morbid fear of spiders or any insect. I grew up in Australia in the 1940s and often came in contact with deadly spiders like the funnel web and the black widow in the outside toilet. My sisters and I would always go together to watch out for each other. Spiders don't go out of their way to bite you and only attack if they threatened by a large human about to sit on them.
Do spiders send you squealing for the safety of the nearest chair?