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weapons/sam/blue_naval_sam.txt
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weapons/sam/blue_naval_sam.txt
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# ****************************************************************************
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# CUI
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#
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# The Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
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#
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# The use, dissemination or disclosure of data in this file is subject to
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# limitation or restriction. See accompanying README and LICENSE for details.
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# ****************************************************************************
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# Unclassified blue_naval_sam
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# Sources:
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# http://en.wikipedia.org/wiki/RIM-161_Standard_Missile_3
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# http://www.raytheon.com/capabilities/products/stellent/groups/public/documents/content/cms01_055769.pdf
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# http://www.globalsecurity.org/space/systems/sm3.htm
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# http://www.astronautix.com/lvs/staarder.htm
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# http://www.designation-systems.net/dusrm/m-161.html
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# http://www.designation-systems.net/dusrm/m-156.html (sm2 body information)
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# http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA457566&Location=U2&doc=GetTRDoc.pdf
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# http://web.mit.edu/stgs/pdfs/Forden_Preliminary_analysis_USA_193_Shoot_down.pdf
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# http://www.janes.com (requires subscription)
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# http://www.deagel.com/Anti-Ballistic-Missiles/Standard-SM-3-Block-IB_a001148012.aspx
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# Weapon Definition starts here.
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# script_debug_writes on
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# Signature data is unknown...
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infrared_signature BLUE_NAVAL_SAM_INFRARED_SIGNATURE
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constant 1 watts/steradian
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end_infrared_signature
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optical_signature BLUE_NAVAL_SAM_OPTICAL_SIGNATURE
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constant 1 m^2
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end_optical_signature
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radar_signature BLUE_NAVAL_SAM_RADAR_SIGNATURE
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constant 1 m^2
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end_radar_signature
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# Weapon effects
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weapon_effects BLUE_NAVAL_SAM_LETHALITY WSF_GRADUATED_LETHALITY
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radius_and_pk 3 km 1.0
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end_weapon_effects
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########### Aero definitions ##################################################
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aero BLUE_NAVAL_SAM_STAGE_1_AERO WSF_AERO
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reference_area 2.35 ft^2
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# Values estimated from Hoerner's Drag book
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cd_zero_subsonic 0.10
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cd_zero_supersonic 0.25
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mach_begin_cd_rise 0.95
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mach_end_cd_rise 1.30
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mach_max_supersonic 10.00
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end_aero
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aero BLUE_NAVAL_SAM_STAGE_2_AERO WSF_AERO
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reference_area 1.02 ft^2
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# Values estimated from Hoerner's Drag book
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cd_zero_subsonic 0.10
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cd_zero_supersonic 0.25
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mach_begin_cd_rise 0.95
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mach_end_cd_rise 1.30
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mach_max_supersonic 10.00
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end_aero
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aero BLUE_NAVAL_SAM_STAGE_3_AERO WSF_AERO
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reference_area 1.02 ft^2
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# Values estimated from Hoerner's Drag book
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cd_zero_subsonic 0.10
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cd_zero_supersonic 0.25
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mach_begin_cd_rise 0.95
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mach_end_cd_rise 1.30
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mach_max_supersonic 10.00
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end_aero
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aero BLUE_NAVAL_SAM_STAGE_4_AERO WSF_AERO #warhead & sensor
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reference_area 1.02 ft^2
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# Values estimated from Hoerner's Drag book
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cd_zero_subsonic 0.10
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cd_zero_supersonic 0.25
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mach_begin_cd_rise 0.95
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mach_end_cd_rise 1.30
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mach_max_supersonic 10.00
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end_aero
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########### Mover definitions ##################################################
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mover BLUE_NAVAL_SAM_MOVER WSF_GUIDED_MOVER
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#show_status
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integration_timestep 0.001 secs
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update_interval 0.01 secs
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# divert thrust taken from unclass blue_lr_sam and doubled
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divert_thrust 8000 Nt
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divert_fuel_mass 10 kg
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divert_fuel_flow_rate 1.0 kg/s
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divert_altitude_limits 80 km 1000 km
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# stage info came from janes.com,
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# designation-systems.com
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# astronautix.com
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stage 1 # MK-72 Solid Rocket Booster
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aero BLUE_NAVAL_SAM_STAGE_1_AERO
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empty_mass 535 lbs
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total_mass 1540 lbs
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specific_impulse 260 sec
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thrust_duration 6 sec
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end_stage
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stage 2 # MK-104 Solid Rocket Booster
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aero BLUE_NAVAL_SAM_STAGE_2_AERO
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pre_ignition_coast_time 1 sec
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total_mass 1100 lbs
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empty_mass 282 lbs
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#fuel_mass 418 lbs
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specific_impulse 260 sec
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thrust_duration 25 sec
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pre_separation_coast_time 30 sec
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end_stage
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stage 3 # MK-136 Solid Rocket
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aero BLUE_NAVAL_SAM_STAGE_3_AERO
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total_mass 220 lbs
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empty_mass 187 lbs
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# fuel_mass 125 lbs
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specific_impulse 260 sec
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thrust_duration 15 sec
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pre_separation_coast_time 1 sec
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end_stage
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stage 4 # warhead and seeker (aka kill vehicle )
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aero BLUE_NAVAL_SAM_STAGE_4_AERO
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total_mass 70 lbs
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fuel_mass 0 lbs
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end_stage
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end_mover
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############### BLUE_NAVAL_SAM platform ##########################################
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platform_type BLUE_NAVAL_SAM WSF_PLATFORM
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icon Scud_Missile
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infrared_signature BLUE_NAVAL_SAM_INFRARED_SIGNATURE
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optical_signature BLUE_NAVAL_SAM_OPTICAL_SIGNATURE
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radar_signature BLUE_NAVAL_SAM_RADAR_SIGNATURE
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weapon_effects BLUE_NAVAL_SAM_LETHALITY
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mover BLUE_NAVAL_SAM_MOVER
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end_mover
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processor BLUE_NAVAL_SAM_GUIDANCE WSF_GUIDANCE_COMPUTER
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guide_to_truth true
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phase LAUNCH
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commanded_flight_path_angle from_launch_computer
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proportional_navigation_gain 0.0 # Don't guide to target
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velocity_pursuit_gain 0.0 # Don't guide to target
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next_phase TERMINAL if target_slant_range < 200 km # 150 km
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next_phase MIDCOURSE if on_commanded_flight_path_angle
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end_phase
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phase MIDCOURSE
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guidance_delay 2000 secs # stay on commanded loft angle
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next_phase TERMINAL when target_slant_range < 100 km #250 km
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end_phase
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phase TERMINAL
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proportional_navigation_gain 10.0
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proportional_navigation_method augmented
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# Disable velocity pursuit. The angle which controls the switch between
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# velocity pursuit and pronav are too sensitive at short ranges.
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velocity_pursuit_gain 0.0
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# Disable g-bias. The target is also falling, so we don't want to fight
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# against it! (this is assuming terminal intercept, not boost)
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g_bias 0.0
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end_phase
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end_processor
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processor fuse WSF_AIR_TARGET_FUSE
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use_current_target
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gross_proximity_range 7 km
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hit_proximity_range 5 km
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update_interval 0.50 sec
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fine_update_interval 0.01 sec
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time_of_flight_to_arm 60 sec
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end_processor
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processor seeker WSF_PERFECT_TRACKER
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update_interval 0.25 sec
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end_processor
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end_platform_type
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launch_computer BLUE_NAVAL_SAM_LAUNCH_COMPUTER WSF_BALLISTIC_MISSILE_LAUNCH_COMPUTER
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maximum_time_of_flight 1000 sec
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surface_to_air_table weapons/sam/blue_naval_sam_launch_data.txt
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integration_time_step 0.05 sec
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# Disallow intercepts at unreasonable angles
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maximum_intercept_angle 60 deg
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end_launch_computer
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########EXPLICIT WEAPON#############################
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weapon BLUE_NAVAL_SAM WSF_EXPLICIT_WEAPON
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launched_platform_type BLUE_NAVAL_SAM
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launch_computer BLUE_NAVAL_SAM_LAUNCH_COMPUTER
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end_launch_computer
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tilt 89.9 degrees
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# This causes a call to the launch computer to compute the predicted intercept.
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# The launcher will then be cued to the proper angles (Subject to the slewing
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# limits defined below). This is a bit of a hack until the guidance computer
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# is changed...
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cue_to_predicted_intercept true
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slew_mode azimuth
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azimuth_slew_limits -180 deg 180 deg
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quantity 1
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require_loft_angle
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end_weapon
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