Don't you mean the Abrams tank?
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"