close-in nuclear fire(s)

close-quarters combat (CQC) / close-quarters battle (CQB)

nuclear suitcase bomb; man-portable nuclear weapon

slant fire; diagonal fire; oblique fire; fire to the oblique

close defensive fire

close supporting fire

close-in defensive fire

close-support fire

close range blind fire director

close-range concentrated fire

close-range fire

surprise close-range fire

close-in protective fire

fire at close range

Close Fire Support Group (CFSG)

nuclear fire

nuclear fire request channel

fire control orders (FCO) ('Hold Fire', 'Cease Fire' and 'Engage')

selector lever, fire selector, fire switch, fire selector switch

at close quarters

close air support (CAS)

close air support mission

close approach

close column

close combat

close combat attack (CCA)

close combat optic (CCO)

close engagement

close envelopment

close observation

close operations

close political-military communication

close support