Headlamps are essential in a cave rescue, and for any kind of caving. Cave rescuers, in a practice drill, prepare to ascend an 18-foot ladder that leads to the exit of the cave. Don’t call them ...

A video handout out from Gravity Industries showed a Maritime Boarding Operation exercise where a fast rib boat is coming alongside a moving high sided ship, and hooking a caving ladder to permit ...

KNOX — Total darkness is a rare phenomenon in 2019. Not the darkness of a moonless night or even when the power goes out. But the absence of any light at all. Advertisement Article continues below ...