The event occurred on March 5th, 2019 at around 19:20 UTC, which equates to roughly 12:20pm local time. Over a swath of sky beginning to the west of Cannon Air Force Base, the plume first appears, covering roughly 30 miles over a couple hours time. Cannon AFB is used by Air Force Special Operations Command and is home the 27th Special Operations Wing and its MC-130s, AC-130s, CV-22s, MQ-9s, U-28s, C-146s and other propeller-driven aircraft, some of which could have deployed the chaff from their expendable countermeasures systems.