Most of the tanks always store a dozen of rounds in the turret for faster reloads.
https://en.wikipedia.org/wiki/M2_Bradley: "The use of aluminum armor and the storage of large quantities of ammunition in the vehicle initially raised questions about its combat survivability."
https://en.wikipedia.org/wiki/M1_Abrams: "The M1 Abrams...introduced several innovative features, including a multifuel turbine engine, sophisticated Chobham composite armor, a computer fire control system, separate ammunition storage in a blow-out compartment"
This made me happy. :)
(In Russian, numeric determiners 2-4 place the noun in genitive singular and numeric determiners 5+ place the noun in genitive plural. One book, two of book, three of book, four of book, five of books.)