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Blast Overpressure: An Invisible Threat
6 Apr 2025

Blast Overpressure: An Invisible Threat

When an explosion causes a sudden release of heat, light and sound, the energy causes the air around the point of the explosion to expand outward faster than the speed of sound. The blasts produced by these explosives throw shrapnel, extreme heat and piercing sound at their targets. However, perhaps the most dangerous — yet least understood — effect of an explosion is blast overpressure (BOP).

Between Life and Death

Between Life and Death

The weather in South Carolina is often unpredictable. I found that out firsthand one evening as I left work with clear skies showing only to get caught in a gully-washer a few miles down the road. That wouldn’t have been a problem had I been driving a car. On my motorcycle, however, it nearly cost me my life.

  • 6 April 2025
  • Comments: 0

Brief a Real Plan

Brief a Real Plan

My career, like those of most Army aviators, consists of routine flights that represent a lot of planning. But some of those routine flights turn into memorable events. One of those now-memorable flights was a routine mission transporting two people from Cairns Army Airfield at Fort Novosel, Alabama, to Fort Leavenworth, Kansas, and then returning.

  • 6 April 2025
  • Comments: 0

Dangerous Distractions

Dangerous Distractions

Every day, accidents occur throughout the country due to distracted drivers. While cellphones are often to blame, other factors can contribute to these mishaps, such as a driver’s psychological state. The following story illustrates the extent to which mental distractions can affect an individual’s ability to focus behind the wheel.

  • 1 April 2025
  • Author: USACRC Editor
  • Number of views: 538
  • Comments: 0

Don't be a HATR

Don't be a HATR

Just after midnight, there was a knock on the door to my containerized housing unit. I opened it to see my platoon leader (captain) and platoon sergeant standing there grimly. I knew we hadn’t crashed, but by the looks on their faces, I knew something happened.

  • 1 April 2025
  • Author: USACRC Editor
  • Number of views: 456
  • Comments: 0

A Flip of the Switch

A Flip of the Switch

Prior to our deployment, my unit was told we’d be getting three M114 HMMWVs equipped with the Automatic Fire Extinguishing System (AFES). Since no one knew anything about the AFES, we were given a nice PowerPoint presentation to explain the system’s capabilities. While the presentation was informative, it later became apparent that a few of us didn’t pay close attention to it.

  • 1 April 2025
  • Author: USACRC Editor
  • Number of views: 262
  • Comments: 0
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