Deterrence has never held a Pentagon contract. Its first named assignment is the Mesquite line that took $533 million in Army funding and produced no usable shell.
India's domestically produced 155 mm/45-caliber towed howitzer, developed from the FH-77B lineage with digital fire control, automatic laying and an auxiliary power unit.
Slovakia's autoloading wheeled gun — the Zuzana 2 puts a 360°-traversing 155mm howitzer with an automatic loader on an 8×8 truck, firing to 40 km. The DANA's modern NATO-caliber heir, donated and sold to Ukraine, where it has duelled Russian artillery across the front.
Poland's international mash-up howitzer — the Krab marries a Korean K9 chassis, a British AS-90 turret, a French-pattern 155mm gun and Polish fire control into one 40-km self-propelled gun. Donated and then sold to Ukraine, it has become one of Kyiv's most prized Western artillery pieces.
KNDS's wheeled 155mm howitzer — a fully automated PzH 2000-class gun on a Boxer 8×8, and the only turreted howitzer in the world that can fire accurately on the move. Ukraine is the launch customer; shoot-and-scoot survivability for the drone-saturated battlefield.
Ukraine's indigenous 155 mm wheeled self-propelled howitzer — built to NATO caliber, produced at world-record rates, and combat-proven from the Snake Island shelling to the front lines of the Donbas.
China's export-tracked 155 mm self-propelled howitzer — the PLZ-05A's international face, offered by NORINCO but with no confirmed sales.
China’s premier truck-mounted howitzer — a 155 mm/L52 wheeled system designed for rapid shoot-and-scoot, air mobility, and export success, with a combat-proven record through Pakistan.
The K9 Thunder is South Korea's 155 mm/L52 tracked self-propelled howitzer — the most widely exported SP gun in the world and the backbone of NATO's eastern-flank tube artillery.
Sweden's fully automated 155 mm wheeled self-propelled howitzer — a crew-under-armor shoot-and-scoot system delivering precision strikes at extended ranges, fielded by Sweden, the UK, and Ukraine.
The U.S. Army’s latest tracked self-propelled howitzer — a 155 mm L/39 gun on a Bradley-common chassis, built to sustain indirect fire for armored brigade combat teams.
The M777 (M777A2) is a lightweight 155 mm towed howitzer—air-transportable, titanium-built, and combat-proven from Iraq to Ukraine.