The M1299 Howitzer was an American prototype 155 mm self-propelled howitzer developed by BAE Systems beginning in 2019 under the Extended Range Cannon Artillery (ERCA) program. It was based on the M109A7 howitzer and was primarily designed for the purpose of improving the M109's effective range.

2019年7月24日 · The Army confirmed on Monday that it plan on designating the Extended Range Cannon Artillery (ERCA) program’s brand new 155mm self-propelled howitzer as the M1299, Army Recognition reports.

2024年3月11日 · The ERCA system uses a service-developed, 58-caliber gun tube mounted on the chassis of a BAE Systems-made Paladin Integrated Management howitzer.

2024年3月12日 · The US Army announces the abandonment of its M1299 super-gun from the ERCA program in the 2025 budget. Obviously, efforts to find an applicable solution for the M1299 were in vain.

Extended Range Cannon Artillery, or ERCA, will be an improvement to the latest version of the Paladin self-propelled howitzer that provides indirect fires for the brigade combat team and division-level fight.

2022年3月3日 · The armament, fitted on an M109A7 “Paladin Integrated Management” chassis, forms the XM1299 self-propelled ERCA system, which has been formally transitioned to Project Manager Self Propelled...

2021年5月10日 · The Army will create new field artillery battalions in its heavy divisions, armed with the new Extended Range Cannon Artillery (ERCA) armored howitzer.

2024年3月21日 · The prototype M1299 Extended Range Cannon Artillery (ERCA) sported a longer 58 caliber barrel that could generate the necessary internal pressure to spit out 155-millimeter shells at targets...

The M1299 is an American 155mm self-propelled howitzer, developed under the Extended Range Cannon Artillery program (ERCA), carried out by BAE Systems Corporation - to create a self-propelled...

2021年3月18日 · In November 2018, an earlier variant of the ERCA, the XM1299 howitzer, fired projectiles out to 72 kilometers at Yuma, the farthest-reaching shots ever made by U.S. Army howitzers, and more...