негативне джерело
negative thrust propeller / negative-thrust propeller
infrared / negative ultraviolet (IR/NUV) seeking
negative electrical charge
negative report
battery negative post
negative dihedral
negative dihedral effect
negative dihedral situation
negative dihedral wing
negative stability
negative vertical acceleration
negative
negative contact
negative sensor
negative enemy contact
negative contact (in cloud)
negative contact on
Enables reversible motor direction to provide negative thrust and allow inverted flight
negative thrust
emergency negative thrust
all-source analysis system
all-source intelligence
all-source production
heat-source target
human source
open source intelligence (OSINT)
open-source information
radioactive source
source data
source of information
water source
be backed up by open source analysis