backbone of the operation

Translations
основа операции
The logistics department is the backbone of the operation, ensuring everything runs smoothly.
Логистический отдел является основой операции, обеспечивая бесперебойную работу.
Definitions
The most important or essential part of an operation, organization, or process that supports and enables its functioning.
Words
backbone

noun
основа
of

preposition
из
the

article or possessive pronoun
определённый
operation

noun
операция