The phrase "a large command" is correct and usable in written English.
It can be used when referring to a significant or extensive directive, order, or instruction, often in a military or technical context.
Example: "The general issued a large command to mobilize the troops for the upcoming operation."
Alternatives: "a significant order" or "a major directive."
Because of the threat posed by the rule of Maximilian in Mexico, Gen. Philip Sheridan was sent to the border with a large command.
In a sign of the enduring strength of key military units, the Fourth Division, controlled by Bashar al-Assad's brother, Maher, moved into the National hospital in Homs on Wednesday, setting up what appeared to be a large command post.
I'm a big, tall guy with an authoritative voice and a large "command presence".
Smaller ones were laid out in lines radiating out within sight of a large command bunker, which was permanently manned.
Yet another conversion of Hawaii, this time to a "large command ship", was contemplated from August 1951.
A conversion to a large command ship was later contemplated; planning went far enough that money was allocated in the 1952 budget for this purpose, but with one complete and a second already chosen, no work was started upon Hawaii.
The Monos are required to move from the eerie aloneness of the mountain down into the jungle, and when the hostage shows signs of wanting to escape, the leader has a spasm of rage, trashes the radio that theoretically connects them to a larger command structure and the entire group effectively goes rogue – even more rogue than it was in the first place.
Within the framework of motor control, a fast movement results from a larger "control command"—e.g., the firing rate of a motor neuron.
As AI grows to touch more and more domains of existence, a new federal AI agency could have a worryingly large command over American life.
A much smaller number of news outlets had a far larger command of the audience.
The only significant French victory in 1758 came when a large British Army commanded by James Abercrombie was defeated by a smaller French force in the Battle of Carillon.
