hold a finger on a nuclear trigger

have a finger on a nuclear trigger

fingertip formation / finger-four formation / four finger formation

hold advance / hold (up) advance

nuclear trigger

finger cutout

finger grip

finger groove

finger lever

finger tip control

finger-tip adjusting

nuclear suitcase bomb; man-portable nuclear weapon

center mass hold

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

hold (naut.)

hold

hold captive

hold maneuvers

hold off an attack

hold off reinforcement

Hold your fire!

release hold

tighten one's hold

hold / lose а position

hold pseudo-referendum

cylinder hold-down flange

hold his head up (in any situation)

hold in check

hold on inspection

hold over / under

hold-open catch

hold-open operating lock

clear-and-hold operation