get down on one knee

зайняти положення для стрільби з коліна (дослівно - стати на одне коліно) (Then they both got down on one knee at opposite sides of it waiting to nail this guy. - Bowden, Mark. `Black Hawk Down` - p. 103)

all for one and one for all / one for all and all for one

get bead / get one's bead

drop onto one knee

drop to one knee

get one's rear in gear

knee-action wheel

tie down / tie-down

cargo tie-down / freight tie-down

freight tie-down / cargo tie-down

one-way UAV / one-way attack UAV (OWA UAV)

throw down one's arms

get fully operational

get below ground

get kicked off the force

not be able to get (someone) on the comms

get access to the inner workings of

get access to classified information