gain the upper hand

отримувати перевагу над противником; взяти гору над (кимось); стверджувати своє панування; здобувати військову перевагу; здобувати перемогу ('Insurgents on motorbikes equipped with AK-47s and improvised explosives gain the upper hand.' - https://theconversation.com/africas-militaries-have-always-relied-on-imported-weapons-why-a-shift-to-homegrown-defence-is-now-under-way-274802)

gain the upper hand over smb / smth

reason will gain the upper hand

realism will gain the upper hand

get the upper hand in the artillery warfare

time-gain control / gain time control

hand-to-hand combat

hand-to-hand fight(ing) (HTH/H2H)

land-based upper layer (LBUL)

Sea-Based Upper Layer (SBUL)

upper air fallout

upper sideband (USB)

upper glacis plate

adjustable upper sling swivel

upper ball race

upper center crankshaft bearing

upper edge of front sight

upper front crankshaft bearing

upper front plate

upper hemisphere

upper insulator gasket

upper motor lubricant

upper proximity dot (of a gyro gunsight)

upper rear crankshaft bearing

upper sling swivel

upper time ring

upper water tank

upper torque link