NATO AEP-55 STANAG 4569 is a NATO Standardization Agreement

STANAG

STANAG is the NATO abbreviation for Standardization Agreement, which sets up processes, procedures, terms, and conditions for common military or technical procedures or equipment between the member countries of the alliance. Each NATO state ratifies a STANAG and implements it within their own...

 covering the standards for the "Protection Levels for Occupants of Logistic and Light Armored Vehicles".

The standard covers strikes from Kinetic Energy, artillery

Artillery

Originally applied to any group of infantry primarily armed with projectile weapons, artillery has over time become limited in meaning to refer only to those engines of war that operate by projection of munitions far beyond the range of effect of personal weapons...

, and IED

Improvised explosive device

An improvised explosive device , also known as a roadside bomb, is a homemade bomb constructed and deployed in ways other than in conventional military action...

 blasts.

Grenade and Mine Blast

Hand grenades, unexploded artillery fragmenting submunitions, and other small anti personnel explosive devices detonated under the vehicle.

Grenade and Mine Blast Threat

6 kg (explosive mass) Blast AT Mine:

2a – Mine Explosion pressure activated under any wheel or track location.

2b – Mine Explosion under center.

Grenade and Mine Blast Threat

8 kg (explosive mass) Blast AT Mine:

3a – Mine Explosion pressure activated under any wheel or track location.

3b – Mine Explosion under center.

Grenade and Mine Blast Threat

10 kg (explosive mass) Blast AT Mine:

4a – Mine Explosion pressure activated under any wheel or track location.

4b – Mine Explosion under center.

See also

• Terminal ballistics
  Terminal ballistics
  Terminal ballistics, a sub-field of ballistics, is the study of the behavior of a projectile when it hits its target. It is often referred to as stopping power when dealing with human or other living targets. Terminal ballistics is relevant both for small caliber projectiles as well as for large...
  
  
• Ballistic vest (personal armor providing similar protection to STANAG 4569 Levels 1 and 2)