>>64216430
i'm another anon who made
>>64216447, you might have a bit of context-blindness, you asked why anyone would prefer liquid while you were specifically talking about the application where liquid is (especially nowadays) highly favoured over solids
>waaaah but /k/ is a military board
shouldn't have brought up KSP then dipshit.
even then, i'll answer the question of why anyone would use a liquid 1st or later stage on an ICBM
1st stage is something you do when you're the USSR during the cold war or a fledgeling shithole dictatorship trying to build threatening missiles, your solid rocket motor chemistry is too shitty and liquid is the only thing available to you with enough ISP to give you the needed range.
in the case of 2nd or 3rd stages, it tends to be because of the better throttleability and higher precision you can generally achieve, especially with smaller liquid fueled rocket engines.