it was for all of them, but thats beyond the point, gaijin took the Yak 141 a " paper prototype " and gave it a radar guns and missiles, when it never had any of that, and gave thermans to two prototype T80s, that never had thermals.
Don’t forget to add the multiple US Army budget presentations, as well as Osseon’s sources (one of which I’ll past below that says the M1A1 HA, M1A1 SA, M1A2 SEP, and M1A2 SEPv2 had DU hull armor - M1 Abrams at War, by Michael Green)