Digi XBee is the brand name of a family of form factor compatible radio modules from Digi International. The XBee radios can all be used with the minimum number of connections — power (3.3 V), ground, ...

FORT SILL, Okla. — Basic Combat Training at Fort Sill has introduced counter-unmanned aircraft systems training to better prepare new Soldiers for the tactical challenges of modern warfare.

Little is known about this ancient fort, which at one time was called Cepha, from the Aramaic word for "rock." In the 350s, Constantius II built a number of fortresses, including Cepha ...