допоміжний механічний приціл
iron sight
backup control system (BUCS)
backup documentation
backup system
backup roll control
backup communication
backup folks
backup forces
backup guidance
backup means
backup pilot
backup unit
backup
backup support
GI (from `galvanized iron`, WWI)
Iron Beam
iron bomb
Iron Dome
iron ration
iron base bearing
iron in lubricating oil test
iron powder core
iron primer anvil
iron sights
iron
cast iron
in iron
iron-wire hedge
front sight (fore / muzzle sight)
sight, to take a (careful) sight
day-sight (day sight)
modular integrated display and sight helmet (Modular Integrated Display-And-Sight Helmet)