English ⇄ English French Russian Ukrainian

liaison detachment
mil., logist.	Representation of a command organization within another command. Its role is to ensure a reciprocal exchange of information between the two parties regarding the employment of units, the situation, the possibilities of mutual combat support and combat service support, etc. Its task is to facilitate the exchange of information or the implementation of the assets belonging to its command of origin. This detachment is made up of one or more cadre, it is equipped vehicles, telecommunication systems, maps, armament by its welcoming structure or its organic unit. (FRA)

liaison: 3 phrases in 2 subjects

Abbreviation	2
Military	1