Which suspension utility unit is used by the CBU-89?

The correct answer is the SUU-64, which is the suspension utility unit specifically designed for the CBU-89. The CBU-89 is a cluster bomb unit known for its advanced capabilities in engaging armor with a dispersion pattern of submunitions. The SUU-64 plays a crucial role by providing the necessary mounting and release mechanism for this type of munitions system.

This unit allows for the safe and effective deployment of the CBU-89 from various aircraft platforms, ensuring that the bomb remains stable during flight until it is intended to be released. The design and functionality of the SUU-64 enable the CBU-89 to exploit its full operational capabilities, aligning with the tactical requirements of modern aerial warfare.

Other suspension utility units listed, while they may be utilized for different munitions, do not specifically serve the CBU-89, making the SUU-64 the correct match for this particular system.