The following HTML text is provided to enhance online
readability. Many aspects of typography translate only awkwardly to HTML.
Please use the page image
as the authoritative form to ensure accuracy.
Page 171
D.2 SEA SPARROW MISSILE SYSTEM (RIM-7)
-
Concept study in 1960s, using then-current ASCMs and aircraft as the threat,
-
RIM-7H program begun about 1970 with multinational group (4 countries, grew to 13),
-
Became the standard NATO ship self-defense missile,
-
RIM-7M (Block II) introduced in 1978,
-
Weapon system concept consists of three elements: L-band radar + IFF +
-
RIM-7P programmable computer introduced in 1990, Mk-23 target acquisition system,
-
Automatic fire control system (manned only to intervene in automatic process); Mk-57,
-
Current sea sparrow missile (RIM-7P), based on Navy AIM-7F sparrow air-to-air missile,
-
Same booster, guidance, and control with remote arming and “homing all the way” guidance,
-
20-cm (8-in.) diameter, 3.65 m long, 1-m wingspan,
-
350 m/s average speed, boost + coast,
-
Motor-boost (3 seconds) + sustain (15 seconds),
-
Optimum intercept range 1.5 to 6.5 km (6 to 25 s flight time),
-
Weight 232 kg,
-
Semiactive RF monopulse seeker,
-
Target continuously illuminated by ship's radar,
-
Warhead weighs 35 kg and is blast fragmenting,
-
RF proximity fuse,
-
Now on CVNs, LHDs, AOEs, AORs, DD963s,
-
Not on older amphibious ships, and
-
Has hit nonmaneuvering Styx and Exocet missiles in exercises.
D.3 ROLLING AIRFRAME MISSILE (RAM) MK-31 GUIDED MISSILE SYSTEM
-
Concept developed at Johns Hopkins University/Applied Physics Laboratory in the early 1970s to counter RF-emitting ASCMs,
-
Missile dimensions: 12-cm (5-in.) diameter, 2.8 m long, 45-cm wingspan,
-
2 steerable canards and 4 tailfins for roll control,
-
Missile weight: 74 kg,
-
Employs Sidewinder solid rocket motor (Mk 36-8 or Mk 112),
-
Boost (5 s) + glide,
-
Optimum intercept range: 0.8 to 5 km (3 to 10 s),
-
Launcher: 21-cell Mk-49,
|
|
