no fire line, NFL
1. a line, short of which artillery may not deliver rounds and beyond which they may fire without danger to friendly forces, 2. a line short of which artillery or ships do not fire except on request or approval of the supported commander, but beyond which they may fire at any time without danger to friendly troops, joon, millest lähemale ei tulistata, välja arvatud toetatava ülema nõudel või nõusolekul, kuid millest kaugemale on lubatud tulistada igal ajal, sest see ei kujuta endast ohtu sõbralikele üksustele