range ladder

range ladder

[′rānj ‚lad·ər]
(ordnance)
A naval term used to describe a method of adjusting gunfire by firing successive volleys; starting with a range which is assuredly beyond or short and applying small uniform range corrections to the successive volleys until the target is crossed.
References in periodicals archive ?
The second choice is to head up the Duster range ladder and splash out PS13,995 on a top diesel Laureate Prime and not bother with all-wheel drive, which adds a stiff two grand to any Duster.
While this particular model may be the first step on the Cayman range ladder, it still completes the benchmark 0-62mph sprint in 5.