safe water marks (fairways, mid-channels)

(мор.) знаки про безпечні води (на фарватері, судноплавному каналі)

fairways (mid-channel)

channels of communication

quick-fire channels for fire missions

information marks

regulatory marks

mentioned in dispatches (MID)

mid-course phase

mid-grade officers

mid-air collision

near mid-air collision

Mid-Life Update (MLU)

water jacket plug / water-jacket plug

low-energy (eye-safe) laser

safe and secure environment

safe corridor (naut.)

safe entry time

safe humanitarian zone