three-point landing

non-retractable three-leg landing gear

three-dimensional (3D) point position

three-point resection

three brigades abreast

3CF (three column format 1. Factor - What; 2. Deduction, Analysis / Implication – Why; 3. Output - So What)

one-(two-, three) dimensional steady flow

three flow turbojet engine

three-dimensional virtual mass moment of inertia

three-blade tail rotor

three-component balance

three-dimensional element

three-man crew

three-pointer electric indicator

three-pointer inductive indicator

velocity potential equation for three-dimensional gas flow

three-dimensional flow

description of object geometry in three-dimensional space

three-blade propeller

last three

precision three-site radar

three-pronged offensive

proportional–integral–derivative controller (PID controller / three-term controller)

Three-Axis system (South Korea's military strategy)

two-point landing

aiming point of landing

landing point

landing point marker

ballistic impact point (BIP) / ground (predicted) impact point (PIP)

target approach point; initial point (IP)

triangulation point (trig point)

objective rally point / objective rallying point

point-to-point communication