beyond line-of-sight drone

beyond visual range / beyond-visual-range (BVR)

Beyond local repair/Beyond economical repair (BLR/BER)

beyond line-of-sight (BLOS)

beyond radio line of sight

Beyond Visual Line of Sight (BVLOS)

deployment line; line of deployment (LD); line of departure

beyond local repair

flank extension beyond enveloping force

go beyond the verge of powers

beyond-the-horizon communication

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

beyond-the-horizon surveillance

impact beyond the target

beyond-visual-range missile (air-to-air)

beyond-the-horizon ground-based radar (BTH)

beyond the horizon radar (BTHR)

beyond reuse

fouled up beyond all recognition (FUBAR)

beyond-visual-range air-to-air missile (BVRAAM)

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)

line of sight (missile)

non-line-of sight (NLOS)

align sight line

infrared sight-line control (ISC)

reciprocal sight line

sight line

sight line autopilot (SLAP)

sight line spin

target sight line