The EE-11 Urutu is a Brazilian amphibious armored personnel carrier. It was based on the drive train and chassis components of the EE-9 Cascavel armored car and initially emerged as part of a project to develop an amphibious troop-carrying counterpart to that vehicle for the Brazilian Army and Marine Corps (CFN). The first pre-production models entered service with the CFN in 1973 and serial production commenced the following year. While the CFN declined to adopt the EE-11 Urutu in large numbers, the Brazilian Army was more forthcoming and purchased 223; these entered service in 1975.

The Brandt Mle CM60A1, also known as the Brandt HB 60LP, MCB-60 HB, or simply as the Brandt 60mm LP Gun-Mortar, is a 60 mm gun-mortar. Unlike conventional infantry mortars, it was not designed to be mounted on a bipod and a baseplate, but rather in the turrets of armoured fighting vehicles. The CM60A1 could be fired at a very low angle of elevation, giving it a dual purpose as direct fire artillery. Its hydraulic recoil mechanism reduces peak loads, allowing it to be mounted in very light armoured cars, such as the Panhard AML-60, or wheeled armoured personnel carriers, like the Panhard M3.