This past Friday, an AH-64 Apache helicopter crashed during a training mission at Fort Campbell, Kentucky, the latest in a slew of deadly mishaps from across the services in the past week.  The accident comes on the heels of a damning report from the Military Times, documenting an alarming rise in accidents stretching back over four years.  The Army, for its part, has seen relatively constant accident rates over the past four years, according to its official safety magazine, Flightfax, with accident rates between FY2013 and 2017 hovering between 0.72 and 1.52 Class A accidents per 100,000 flying hours -- far lower than anything Army Aviation has seen since it began tallying accidents in the early 1970s (p. 123).