  The structure-property(S-P) correlation,especially in the context of
high-temperature oxidation, in ZrB$_2$-MoSi$_2$ based Ultra High-Temperature
Ceramic Matrix Composites (UHTCMCs) have been extensively investigated for
quite some time since the last 25 years and a countless amount of published
data is presently available in this field.On the other hand,emergence of
correlative microscopy [1] has completely revolutionised the world of materials
research, in a number of ways.However,owing to the challenges of sample
preparation, there has hardly been a literature aimed at understanding the
aforesaid phenomenon of understanding S-P correlation,based on oxidation in
ZrB$_2$-MoSi$_2$ UHTCMCs,which,in future, may open up new frontiers of research
in UHTCMCs.The present review intends to discuss some of the most interesting
data published existing in this field and intends to provide a brief overview
of the challenges associated along with some of the currently unexplored
avenues in this field,especially in terms of fundamental research.However,in
view of the enormous amount of research already done in understanding
oxidation-based S-P correlation in these materials,the author does not claim to
address all the issues which may be associated with understanding the same.
