an outburst resembling the discharge of firearms or the release of bombs
rapid simultaneous discharge of firearms; "our fusillade from the left flank caught them by surprise"
a sudden outburst of cheers; "there was a salvo of approval"
A series of several cannon rounds "fired for effect" or otherwise meant to cause damage. Opposed to spotting rounds, which are single shots used merely to aid in range estimation.
Dropping by an air tanker of its entire load of fire retardant at one time.
Firing lots of guns or rockets together
firing a battery in unison
To drop all of an airtanker's load of suppressant or retardant at once.
A salvo is the simultaneous discharge of artillery or firearms including the firing of guns either to hit a target or to perform a salute.