For most of its history, artillery testing has been the core mission at U.S. Army Yuma Proving Ground. Today, the proving ground is testing prototypes of the Next Generation Rocket Assisted Projectile (NGRAP), which intends to dramatically increase the roughly 30 kilometers a currently fielded 155mm howitzer shell is capable of when fired at top zone with rocket assistance.
Source: DVIDS Marines | Author: Mark Schauer | Published: Wed, 11 Feb 2026 16:45:25 -0500