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Atlas II Launch
Vehicle
Medium-weight spacelift provides access to space to deliver essential
Defense Satellite Communications System and other capabilities.
Acquisition
Status: operational, production.
Contractors: Lockheed Martin, Rocketdyne, Pratt & Whitney, Honeywell,
Marconi.
Inventory: N/A.
Upgrades: IIA and IIAS.
Capabilities/Profile
Range: 6,100 pounds to Geosynchronous Earth Orbit.
Length: up to 156 feet.
Diameter: 10 feet.
Weight: 414,000 pounds.
Performance/Comment
Will be supplanted by Evolved Expendable Launch Vehicle.
Evolved Expendable
Launch Vehicle
Medium- to heavyweight spacelift to meet lift requirements for DoD, national,
and civil users. Vehicles will replace current Delta, Atlas, and Titan
space launch vehicles during Fiscal 2002-20.
Acquisition
Status: engineering and manufacturing development.
Contractors: Boeing (Delta IV), Lockheed Martin (Atlas V).
Inventory: 28 purchased. First government medium launch Fiscal 2002;
government heavy launch Fiscal 2003; commercial launch Fiscal 2001.
Upgrades: N/A.
Capabilities/Profile
Variants: Delta IV Medium/Heavy; Atlas V Medium/Heavy.
Delta IV Range: (Medium) 9,100 pounds to GTO; (Heavy) 29,100 pounds to
GTO.
Atlas V Range: (Medium) 18,900 pounds to Low Earth Orbit; (Heavy) 42,000
to LEO.
Delta IV Length: 235 feet.
Atlas V Length: 89.3 feet.
Delta IV Diameter: (Medium) 13 feet, (Heavy) 16.7 feet.
Atlas V Diameter: 12.5 feet.
Delta IV Weight: 565,000 pounds-1.6 million pounds.
Atlas V Weight: 734,850 pounds-1.2 million pounds.
Performance/Comment
Launch savings of $5 billion-$10 billion through 2020.
Competition for life of program.
Payload interface standard by class for all.
Reliability rate of 98 percent
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Titan IV Launch
Vehicle
Heavyweight spacelift capability to deliver nation's highest priority
satellites--Defense Support Program, Milstar, and National Reconnaissance
Office satellites--into orbit.
Acquisition
Status: operational, production.
Contractors: Lockheed Martin, Boeing, Alliant, Aerojet, Honeywell.
Inventory: 40 purchased, 25 launched.
Upgrades: none planned.
Capabilities/Profile
Range: 12,700 pounds to GEO.
Length: up to 204 feet.
Diameter: 10 feet.
Fairing Diameter: 16.7 feet.
Weight: 2.2 million pounds.
Performance/Comment
USAF's largest, most powerful expendable launch vehicle.
Operational success rate 95 percent plus.
Defense Meteorological
Satellite Program
Provides capability, through all levels of conflict, to collect and disseminate
visible and infrared cloud data and other meteorological, oceanographic,
and space environment data.
Acquisition
Status: operational, sustainment.
Contractors: Lockheed Martin, Aerojet, Northrop Grumman, Hughes.
Inventory: five on orbit, one more planned.
Upgrades: solid-state data recorders.
Capabilities/Profile
Satellite mean mission duration: 39 months.
Primary sensor global resolution: 2.78 kilometers.
Theater Resolution: 0.56 kilometers.
Performance/Comment
Senses surface and atmospheric radiation in visible, infrared, and microwave
bands.
Flies instruments that measure space environmental parameters.
Broadcasts critical regional data directly to user terminals in theater
to support tactical missions.
Global data is downloaded to processing centers.
Defense Support
Program
Infrared satellite system that provides global coverage and warning of
ballistic missile launches, nuclear detonations, and other events.
Acquisition
Status: operational.
Contractors: TRW, Aerojet.
Inventory: classified number on orbit, four in storage.
Upgrades: transition to Space Based Infrared System begins in Fiscal
2002.
Capabilities/Profile
Classified number of GEO satellites.
Performance/Comment
Near real-time detection and reporting of missile launches against US
or allied forces, interests, and assets worldwide.
Near real-time detection and reporting of endoatmospheric (0-50 kilometers),
exoatmospheric (50-300 kilometers), and deep space (more than 300 kilometers)
detonations worldwide.
Other classified parameters.
MILSATCOM Polar
System
Satellite that provides secure, survivable communications, supporting
peacetime, contingency, and wartime operations in North Pole region.
Acquisition
Status: engineering and manufacturing development.
Contractors: classified.
Inventory: one on orbit, two in development.
Schedule: polar 2 Fiscal 2003 launch, Polar 3 Fiscal 2004.
Upgrades: N/A.
Capabilities/Profile
Coverage of North Pole region 24 hours/day.
Milstar-compatible low data rate service.
EHF packages on three classified host satellites.
Supports independent submarine operations, maritime task force operations,
special operations forces, strategic force reconnaissance, single integrated
operations plan, tactical warning/attack assessment, and intelligence
collection/dissemination activities.
Performance/Comment
Milstar-type data rates.
Low probability of interception/detection.
Anti-jam protection.
Anti-scintillation protection.
Milstar Satellite
Communications System
Satellite system that provides commanders assured, worldwide C2 for tactical
and strategic forces.
Acquisition
Status: operational, engineering and manufacturing development.
Contractors: Lockheed Martin, Hughes, TRW.
Inventory: two Block I on orbit, four Block II in development.
Upgrades: new mission control facilities to support medium data rate
operations.
Capabilities/Profile
Anti-jam capability.
Anti-scintillation.
Low probability of interception/detection.
Performance/Comment
Protected communications at low and medium data rates.
Navstar Global
Positioning System
Constellation that provides highly accurate time and three-dimensional
position and velocity information to unlimited number of users anywhere
on or above Earth, in any weather.
Acquisition
Status: operational, sustainment.
Contractors: Boeing, Lockheed Martin, North American.
Inventory: 27 operational satellites.
Upgrades: modernization, second civil signal, user equipment upgrades,
Navwar.
Capabilities/Profile
Constellation: 24+ satellites.
Altitude: 10,898 miles.
Performance/Comment
Standard positioning service accuracy: 100 meters.
Precise positioning service: 16 meters.
Timing: 100 nanoseconds. User accuracy dependent on receiver type and
number of satellites acquired.
Space Based
Laser
Conceptual space-based weapon that would provide effective, continuous,
boost-phase interception for theater and national missile defense, as
well as global surveillance, target designation, and space and air defense.
Acquisition
Status: technology experiment.
Contractors: Lockheed Martin, TRW, Boeing.
Inventory: TBD.
Upgrades: N/A.
Capabilities/Profile
Satellites: 30 (proposed).
Altitude: 1,000 kilometers.
Range: more than 3,000 kilometers.
Length: TBD.
Weight: less than 48,400 pounds.
Magazine: 100 shots.
Performance/Comment
Highly automated battle management capability with assured human control.
Negation of enemy missiles within minutes.
Provide impact point predictions.
Provide data to support accurate kill assessment reports.
Perform launch point detection of missiles by using onboard sensors within
a defined focus area or by using cued data. |
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Delta II Launch
Vehicle
Medium-weight spacelift provides access to space to deliver essential
Global Positioning System capabilities.
Acquisition
Status: operational, production, last five procured Fiscal 1999.
Contractors: Boeing, Rocketdyne, Aerojet, Alliant.
Inventory: 28 purchased.
Upgrades: none planned.
Capabilities/Profile
Range: 4,120 pounds to Geosynchronous Transfer Orbit.
Length: up to 125 feet.
Diameter: 8 feet.
Fairing Diameter: 9.5 feet.
Weight: 511,190 pounds.
Performance/Comment
Placement accuracy--apogee: 12,636 miles (+24 miles).
Placement accuracy--perigee: 116 miles (+0.9 miles).
Placement accuracy--inclination: 39.0 degrees (+0.0 degrees).
Space
Maneuver Vehicle
Conceptual space vehicle for aircraft-like space operations with high
responsiveness, on-orbit flexibility, and maneuverability. Could be launched
from expendable booster, reusable booster, or space shuttle. Work undertaken
in conjunction with NASA.
Acquisition
Status: technology demonstration.
Contractor: Boeing.
Inventory: TBD.
Upgrades: N/A.
Capabilities/Profile
Altitude: LEO to GTO.
Length: 25 feet.
Weight: 12,000 pounds gross liftoff weight.
Payload Capacity: 1,200 pounds.
Mission Duration: up to 6 months.
Performance/Comment
Perform significant orbital maneuvers from LEO, including transfer to
GTO and aero-assisted orbital plane changes of more than 10 degrees.
Loiter on orbit for up to six months, then return to US for refit and
redeployment.
Deployment, repositioning, and on orbit service and recovery of satellites.
Support of Intelligence, Surveillance, Reconnaissance missions by maneuvering
ISR payloads and reconfiguring constellations for optimal coverage.
Rendezvous with and inspection of satellites.
Advanced EHF
Satellite Communications System
Extremely High Frequency communications spacecraft that will replace
Milstar system and provide additional capabilities.
Acquisition
Status: demonstration-validation (development).
Contractors: Hughes, TRW.
Inventory: five in development, none on orbit.
Upgrades: N/A.
Capabilities/Profile
Coverage 24 hours a day between 65 degrees north and south.
Anti-jam protection for users exposed to fixed and mobile jammers.
Nuclear protection for networks supporting critical functions.
Provides ability to plan, control, and reconfigure resources.
Supports joint warfighter communications among EHF terminals.
Performance/Comment
Low probability of interception/detection.
High data rate.
Defense Satellite
Communications System
Nuclear-hardened, jam-proof satellite backbone of MILSATCOM system, providing
secure and high data rate superhigh frequency communications.
Acquisition
Status: operational.
Contractor: Lockheed Martin.
Inventory: 10 on orbit, four in development.
Upgrades: service life enhancement plan.
Capabilities/Profile
28 channels on five satellites.
Performance/Comment
Worldwide, responsive wideband, and anti-jam satellite communications
supporting strategic and tactical C3I requirements.
Discoverer II
Program
Planned on-orbit demonstration of technologies that will permit acquisition
of radar surveillance satellites for tactical surveillance and targeting.
Acquisition
Status: technical demonstration, concept definition.
Contractors: TBD.
Inventory: Fiscal 2003-04 demo, two satellites and tactical ground station
planned. Eventual constellation of 24.
Upgrades: N/A.
Capabilities/Profile
Orbit: two satellites, LEO, 770 kilometers altitude.
Payload: phased-array radar for ground moving target indicator, imagery,
and precision digital terrain elevation data.
Tasking: direct downlink.
Operations: day/night, all-weather capable.
Performance/Comment
Two Discoverer II satellites are not operational prototypes but will
have technology legacy in operational system.
MILSATCOM Wideband
System
Global Broadcast System satellite provides efficient, high data rate
broadcast between many distributed information sources and warfighters
using small, inexpensive terminals. Wideband Gap-filler is an interim
replacement of current DoD wideband communication satellites. Advance
Wideband is a DSCS follow-on, continuation of Gap-filler Ka service,
and new GBS Phase 3.
Acquisition
Status: GBS Phase 2 Milestone 2, Wideband Gap-filler first launch Fiscal
2004, Advanced Wideband first launch Fiscal 2008.
Contractor: Raytheon (GBS Phase 2).
Inventory: two GBS-2 on orbit, one GBS-2 in development.
Upgrades: Wideband Gap-filler and Advanced Wideband systems.
Capabilities/Profile
Coverage: 65 degrees south to 65 degrees north.
Performance/Comment
TBD.
National Polar
Orbiting Operational Environmental
Satellite System
Remote sensing
satellite that acquires environmental imagery
and specialized meteorological, oceanographic,
climatic, land surface, space environmental,
and other data supporting DoD and civil missions.
Acquisition
Status: program definition and risk reduction.
Contractors: TRW, Hughes, Lockheed Martin, Ball Aerospace, Orbital Sciences,
ITT, Saab Ericsson.
Inventory: none on orbit, five in development.
Upgrades: TBD.
Capabilities/Profile
Uses instruments to sense surface and atmospheric radiation in visible,
infrared, and microwave bands.
Flies an instrument suite that measures space environmental parameters.
Performance/Comment
Measures 61 distinct environmental parameters such as soil moisture,
cloud levels, sea ice, ionospheric scintillation, and more.
Space Based
Infrared System
Proposed High and Low infrared system that fulfills needs for missile
warning, missile defense, technical intelligence, and battlespace characterization.
Acquisition
Status: engineering and manufacturing development (High); program definition
(Low).
Contractors: Lockheed Martin, TRW, Raytheon, Boeing.
Inventory (planned): five GEO satellites (High), 27 LEO satellites (Low).
Capabilities/Profile
Missile warning-North America and theater.
Theater missile defense.
National missile defense.
Battlespace characterization.
Technical intelligence.
Performance/Comment
Provides enhanced capabilities necessary to combat evolving theater and
ballistic missile threats. |
