фронт надзвукової ударної хвилі
Mach / Mach number
airspeed/Mach (AS/MACH)
supersonic speed (exceeds speed of sound / Mach 1)
flight Mach number
critical Mach number
indicated Mach number (IMN)
local Mach number
Mach angle
Mach compression line
Mach cone
Mach number effect
Mach number of a wind tunnel
Mach rarefaction line
true Mach number (TMN)
Mach stem
Mach wave
break the front
contact along the front
crack defenses/the front
disassemble the front
extended front
fill a hole (in the front)
forward front-line deployment
front
front armor
front line
front line logistic support
front organization
front panel
front plating
front portion
front section; warhead