This is the 11301st most frequent Portuguese word.
misseis
"Missiles" - projectiles or weapons designed to be launched and directed at a target.
In this sentence, 'mísseis' is used as the subject of the sentence, referring to objects being launched.
Os mísseis foram lançados durante o exercício militar.
The missiles were launched during the military exercise.
Here, 'mísseis' is a direct object, describing the items developed by the country.
O país desenvolveu novos mísseis intercontinentais.
The country developed new intercontinental missiles.
In this usage, 'mísseis' functions as part of the object that the systems intercept.