“Right now a T55 with a cage and top mount reactive armor is actually more survivable than an Abrams w/o that stuff.”
Nope. The cage doesn’t help.
https://www.youtube.com/watch?v=MXeYA6On2B8
Cage isn’t 100 percent. But it is better to have the cage, than not.
https://www.youtube.com/watch?v=t0AhzYgGUX8