The US Marines tend to greatly value delegation. In one instance, a Colonel boarded a helicopter to direct a rescue operation. It ended his career as it was clear he either did not have the ability to delegate or had not sufficiently prepared his troops.

However, the US military actually trains leaders - extensively. And it also trains people to work in coordinated units. The more well trained a unit is, the more broadly a commander can give orders and expected a good result. There's a lot of context embedded in the training and the doctrine that informs the training.