Wikipedia: 90 mm gun M1/M2/M3

This source backs 17 claims across the atlas. As facts: 11 well-attested. As cited relationships: 3 holds. Plus 3 entities citing it as a general reference with no single fact or relationship attached.

Disposition By Topic

• Weapons Systems, 10 claims: 5 well-attested, 3 holds, 2 general references.
• Sources, 7 claims: 6 well-attested, 1 general references.