How & Why Are Military Transport Antonovs Converted To Makeshift Bombers?

Summary
Antonov aircraft, originally built as transports, have been retrofitted for bomb-dropping capabilities, but are vulnerable against advanced defenses.
Antonov aircraft, like the An-12 and An-26, have been used as makeshift bombers in lower-scale …
How & Why Are Military Transport Antonovs Converted To Makeshift Bombers?