actively guided missile is tracking the aircraft, the pilot can use the direction and distance display of the RWR to work out which evasive maneuvers to perform to outrun or dodge the missile. For example, the rate of closure and aspect of the incoming missile may allow the pilot to determine that if they dive away from the missile, it is unlikely to catch up, or if it is closing fast, that it is time to jettison external supplies and turn toward the missile in an attempt to out-turn it. The RWR may be able to send a signal to another defensive system on board the aircraft, such as a Countermeasure Dispensing System (CMDS), which can eject countermeasures such as chaff, to aid in avoidance. Types in service ALR-2002 (Australia; developmental, project being cancelled) ALR-400 (Spain; EF-18A/B Hornet, Airbus A400M, C-295, CH-47 Chinook, Cougar, TIGER, NH90, CH-53) AN/APR-39 (USA; AH-1, AH-64 Apache, CH-46 Sea Knight, CH-47 Chinook, CH-53, EH-60 Black Hawk, KC-130 Hercules, MH-47 Chinook, MH-60 Black Hawk, OH-58, OV-1 Mohawk, RC-12, RV-1, UH-1 Iroquois, UH-60 Black Hawk, V-22 Osprey) AN/ALR-46 (USA; F-4 Phantom II, RF-4 Phantom II, F-5, B-52G) AN/ALR-56 (USA; F-15 Eagle, F-16 block 50 and 52, Canada; CC-130 Hercules) AN/ALR-66 (USA; P-3C Orion) AN/ALR-67 (USA; AV-8B Harrier II, F-14 Tomcat, F/A-18 Hornet, F/A-18E/F Super Hornet, EA-6B Prowler, Canada; CF-18 Hornet) AN/ALR-69 (USA; B-52H Stratofortress, lacks Frequency Selective Receiver (FSRS) capabilities however, A-10 Thunderbolt II, AC-130 Spectre, F-16 Fighting Falcon, HH-53, MC-130, F-4E Phantom II). AN/ALR-76 (USA; S-3, EP-3) AN/ALR-94 (USA; F-22) ARI 18223 (British aircraft such the Jaguar Mk.1) BOW-21 (Sweden; JAS 39 Gripen Germany; Panavia Tornado) L-150 Pastel (Soviet-Russian aircraft) Sirena series (Soviet aircraft) SkyGuardian 2000 (British EH-101 and WAH-64 Apache; Portuguese EH-101) SPO-15 Beryoza (India; MiG-29 Fulcrum, Russia; Su-27SK Flanker-B, China; J-11) SPS-1000V5 (Portugal; F-16 Fighting Falcon, C-295M) Tarang (India; MiG-27 Flogger, LCA Tejas, Jaguar, Su-30MKI Flanker) Thales Spectra (France; Dassault Rafale) See also Laser warning receiver List of Rainbow Codes List of World War II electronic warfare equipment Monica tail warning radar Semi-active radar homing Serrate radar detector Missile approach warning References AN/ALR-46 at FAS AN/ALR-56 at FAS AN/ALR-67 at FAS AN/ALR-69 at FAS AN/APR-39 at FAS Electronic Warfare Programs by AN Nomenclature Radar Warning systems Receiver (radio)