double line hook-up

grappling hook / grappling-hook

tailhook / arresting hook / arrester hook

kicker hook (skiff hook)

double-double wargame

double-tap strike / double tap strike

deployment line; line of deployment (LD); line of departure

double-line magazine

boat hook

coupling hook

hook

hook-up man

suspension hook

block hook

breast hook

cant hook

deck rope hook

extractor hook

hook for lifting of turret

hook spanner wrench

interphone headset hook

front tow hook

gun-sling hook

limber hook

skiff hook

hook-and-thimble splice

sky hook

slat hook

arrestor hook

observer-target line (OT line)

scheme trail line (tag line)

double apron fence

double bottom