Old is new again with this reliable 1950s-era rifle, refurbished from existing inventories due to a pressing need for a midrange sniper rifle in desert conditions. Pros: Better range and stopping power than the M-16 and M-4 rifles that replaced the â€50s â€relic.†Cons: Fires more slowly than the M-16 and M-4, and requires different ammunition. Grade: A
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Meerkat Mine Detector
Courtesy David Axe
Spindly mine-detection vehicles have been adapted for use against roadside bombs. They can be equipped with radar scanners and metal-detection gear. Pros: Blast resistant, but also designed to break apart in places when hit by an explosion, to protect the operator. Cons: They´re available only in small numbers and require armed escorts. Grade: B
Unexplained jitters when tackling easy tap-ins have befallen even the most legendary pros. Now, a group of scientists hopes to reveal which sections of the brain are responsible for choking