Data sheets that follow are snapshots of 17 key Air Force space programs–experiments, development, production, sustainment, and upgrades. The list is not all-inclusive. It is based on the official Air Force Handbook for the 106th Congress and other Air Force and company documents, current as of Nov. 1, 1999.
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.
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).
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.
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.
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.
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 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 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.
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.
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 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.
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.
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.
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.
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 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.
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.