The U.S. Army has begun testing upgraded fire control software for its M1 Abrams tanks, a cornerstone of the country’s ground combat capabilities since the late 1970s.
These tests, conducted at the Yuma Proving Ground (YPG) in Arizona, are aimed at improving the speed and accuracy of the tank’s 120 mm main gun, .50 caliber machine guns, 7.62 mm machine guns, and grenade launchers, without compromising other aspects of vehicle performance.
The M1 Abrams, recognized for its battlefield survivability and effective weaponry, has returned to YPG for multiple rounds of testing and upgrades over the decades. The recent trials focus on ensuring the upgraded software provides enhanced precision, stability, and control under conditions that simulate the challenges of real-world combat.
Jose Jaramillo, the test officer for the program, explained, “We verify that the software performs better than the previous version and that the vehicle computer will actually implement the correct parameters for proper projectile path when it is shooting and stable while it is performing other maneuvers. The terrain on the course shouldn’t affect the positioning of the turret.”
The tests included two simulated 50-mile missions across YPG’s challenging road courses, verifying the vehicle’s positioning system using surveyed waypoints. Evaluators also tested the weapon systems through four scenarios: firing at stationary targets while stationary, firing at moving targets while stationary, firing at stationary targets while moving, and firing at moving targets while in motion. The evaluators used inert rounds to visually and acoustically score impacts, with all scenarios assessing the turret’s stability and the accuracy of the weapon systems’ laser targeting across various distances.
Testing took place during the summer months, where daily triple-digit temperatures put the systems through extreme conditions. “The ideal time to test is in the summer: you’re putting a lot of stress on the systems in the natural environment,” Jaramillo added. “You can really replicate how much stress it could encounter when being operated by Soldiers out in the field.”
The Abrams tank, a critical asset for both the United States and several allied nations, continues to undergo rigorous testing to maintain its status as one of the world’s most advanced and capable main battle tanks. These software upgrades are part of an ongoing effort to ensure the platform remains effective and reliable on the battlefield.