Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of blast overpressure (left) and impulse (right) for explosive wall breaching and M2A1 machine gun. Peak overpressure for wall breacher and M2A1 is 50.3 and 4.8 kPa, respectively. Peak overpressure impulse is 82.0 and 0.62 kPa-ms (factor of 130) for breacher and M2A1.
