Wiktionary
n. A large-scale activity involving military forces from multiple countries or commands, designed to demonstrate the level of alliance between those forces and their ability to coordinate, as a signal to potential military adversary.
Wikipedia
A military exercise or war game is the employment of military resources in training for military operations, either exploring the effects of warfare or testing strategies without actual combat. This also serves the purpose of ensuring the combat readiness of garrisoned or deployable forces prior to deployment from home base / home station.
Exercises in the 20th and 21st centuries have often been identified by a unique codename in the same manner as military contingency operations and combat operations.
Usage examples of "military exercise".
By the command, and after the example, of Narses, they repeated each day their military exercise on foot and on horseback, accustomed their ear to obey the sound of the trumpet, and practised the steps and evolutions of the Pyrrhic dance.
This was an MI6 operation, not a military exercise, and I should stick to my training and bluff it out.
He winked at the photograph, wondering why the Marshal could not smile even at a party following a large-scale military exercise in the DDR.
The observation hasn't alarmed many in the Pentagon because the buildup coincides in some degree with an announced Soviet military exercise and a suspected fall resupply push into Afghanistan.
Both Kuwait and the UAE did get somewhat nervous, and the UAE requested a joint American military exercise for reassurance.
A military exercise is slated to begin in Saede's western hemisphere this week.
The refreshments, the cvc'eese, the luxurious appointments, all combined to make the trip more like a holiday outing than a purposeful military exercise.
RNA medication and serious Pax military exercise has toughened and strengthened the trooper until he can fight on any world.