In what ways can machine guns be mounted on vehicles?

Machine guns can be effectively mounted on vehicles in various configurations to enhance mobility and firepower. The option that states they can be mounted on pintle mounts, remotely operated systems, or weapon stations highlights the versatility and adaptability of machine guns in modern military applications.

Pintle mounts allow for the machine gun to be securely attached to the vehicle while providing the operator with the ability to move the weapon smoothly in different directions to engage targets effectively. Remotely operated systems enhance safety and usability, enabling operators to fire from within the safety of the vehicle, which is particularly beneficial in combat situations. Weapon stations are sophisticated setups that provide not only a mounting solution but also often come with integrated targeting systems to improve accuracy and control.

In contrast, the other options suggest limitations or inaccuracies about the use of machine guns on vehicles. The idea that machine guns can only be mounted on ground platforms ignores the multifaceted methods of mounting available. The notion that they cannot be mounted on vehicles contradicts the known applications of machine guns in military operations. Lastly, stating that they are only mounted via manual hand-holding overlooks the advancements in military technology that enable more effective and secure mounting solutions.