we keep them in a place called the motor pool
The armies marched down in straight rows, toward the army tanks.
The armies' tanks were huge.
Iraq & Afghanistan have armor (tanks) in their armies; but the US/Coalition is not at war those countries. The enemy consists of criminals (terrorists)...no government, no army, no flag, and no tanks (unless they hi-jack them).
A collective noun for a group of armies would be specific to that group, such as an alliance of armies, an encounter of armies, an encampment of armies, etc.The word army is a standard collective noun for:an army of soldiersan army of antsan army of caterpillarsan army of frogsan army of herrings
Wood was never used in the construction of army tanks.
The two armies are Alexander's army and Rome army.
The plural of army is armies. As in "the two armies marched against each other".
Russia has 21,790 tanks and world s' largest tank army.
There were several dominant Roman armies in history. These Roman armies include the Romany Army of the Mid-Repubic, Imperial Roman Army, Middle Byzantine Army, and Komnenian Byzantine Army.
Armies
armies
The plural form for the noun army is armies. The plural possessive form is armies'.