The Cleveland class light cruisers were 10000 tonners. The length is right though.
This “destroyer” has the displacement of a Baltimore class heavy cruiser.
You know, the Army can put 6 and 8 inch guns on twenty odd ton armored vehicles put the modern Navy cannot to better than 5 inch on massive platforms.
To pick a few nits:
The Army mounts howitzers and mortars currently. The Navy mounts guns.
Current Navy guns are automated and fire ~ 16-20 Rounds / minute. The Army howitzers max out at ~1 per minute.
The Zumwalt will mount 2 155mm (6 inch) guns. Rate of fire 10 rounds per minute, Effective firing range ~100 miles miles with Long Range Land Attack Projectile (LRLAP)