VULCAN ATLAS V CENTAUR DELTA IV Since 1957, the Atlas rocket has An evolution of the light-proven, highly For 60 years, the Delta family of been an integral part of the successful Atlas V and Delta IV rockets, launch vehicles has achieved United States’ space program, the Vulcan Centaur rocket introduces a unparalleled success in provid- supporting national defense balance of new technologies and ing access to space for our missions, launching Mercury innovative features to ensure a reliable Department of Defense (DOD), astronauts to orbit and sending and aordable space launch service. NASA and commercial custom- spacecraft to the farthest reaches Leveraging proven processes, technol- ers. From the earliest Delta of the solar system. Over the ogy and expertise, Vulcan Centaur rockets to the industry work- ROCKET years, the Atlas booster has provides the highest value launch horse Delta II, continual undergone a series of continuous service with optimal performance to upgrades and improvements improvements, culminating in the meet the full range of mission require- have led to the Delta IV Heavy, current Atlas V rocket with its ments. Vulcan Centaur consists of a the most reliable, highest-per- RUNDOWN modular design approach to meet single booster stage, the high-energy forming rocket in the world with speci ic customer requirements. Centaur upper stage, and a 5-meter-di- a proven, 100 percent success All Atlas V launch vehicles consist ameter payload fairing. For additional record. Delta IV not only A Fleet Overview of a common core booster irst lift-o power, up to six solid rocket provides demonstrated reliabili- stage, a Centaur second stage boosters can be added to the Vulcan ty with 100 percent mission and either a 4-m diameter or a Centaur rocket. success for our nation’s most 5-m-diameter payload fairing. To More capabilities in space mean more critical payloads, it also boasts a accommodate missions requiring capabilities on Earth. By making launch highly capable second stage additional thrust at lifto, one to more aordable, Vulcan Centaur opens that enables ULA to deliver three solid rocket boosters (SRBs) up new opportunities for space capabil- unmatched performance. The can be added to the Atlas V 4-m ities, oering unprecedented lexibility Delta IV Heavy irst stage vehicle while the Atlas V 5-m in a single system. From low-Earth orbit consists of three common vehicle can support up to ive to Pluto, the single-core Vulcan Centaur booster cores. The Delta cryo- SRBs. Flexibility, reliability and does it all. genic second stage and a 100 percent mission success are 5-m-diameter payload fairing the hallmarks of the Atlas V complete the stack. With a system, making it the launch commitment to mission vehicle of choice for the full range success, the Delta IV Heavy of customer requirements. continues its legacy of launch- ing our nation’s mission-critical national security payloads.

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Copyright © 2018 United Launch Alliance, LLC. All Rights Reserved. Product information as of 4/18. For mission-speci ic information, please refer to the Atlas V, Delta IV and Vulcan Centaur User’s Guides available at www.ulalaunch.com or contact your ULA representative. 71.6 m/235 ft

68.6 m/225 ft 1

1 21

61.0 m/200 ft 2

3 1

53.3 m/175 ft 3

2 4

5 45.7 m/150 ft 4 3

6 5

38.1 m/125 ft 66 4 7 5 76 86 8 96 6 9 30.5 m/100 ft 10 ATLAS V 7 VULCAN CENTAUR 10 DELTA IV HEAVY 11 11 Multi-Launch Shown 12 8 12 1312 22.9 m/75 ft 9 13 1. Payload Fairing 1. Payload Fairing 1. Payload Fairing 10 2. Acoustic Panels 2. Fairing Acoustic Panels (FAP) 2. Acoustic Blankets 14 14 3. Spacecraft 3. Spacecraft 3. Spacecraft 11 4. Payload Adapter 4. Forward Payload Attach Fitting (PAF) 4. Payload Attach Fitting 1415 15.2 m/50 ft 15 5. Centaur Forward Load Reactor 12 5. Multi-Launch Adapter 5. Second-Stage Fuel (LH2) Tank 6. Centaur Upperstage 6. Spacecraft 6. Second-Stage Intertank 7. Centaur Fuel (LH2) Tank 7. Aft Payload Attach Fitting (PAF) 16 Truss Assembly 13 1614 8. Common Bulkhead 8. Centaur Fuel (LH2) Tank 7. High Pressure Helium Bottle 7.6 m/25 ft 9. Centaur Oxidizer (LO2) Tank 9. Centaur 17 8. Second-Stage Oxidizer (LO2) Tank 10. Fairing Boattail 10. Centaur Oxidizer (LO2) Tank 9. Strap-on Nosecone 18 10. Second-Stage Equipment Shelf 11. Centaur Second-Stage Engine (RL10) 14 11. Common Bulkhead 17 12. Interstage Adapter 12. Second-Stage Fuel (LH2) Feedline 11. Second-Stage Engine (RL10) 0 13. First-Stage Oxidizer (LO2) Tank 13. Centaur Aft Bulkhead 12. Interstage Adapter Strap-on Strut Assembly AFT 14. Common Core Booster 14. Centaur Second-Stage Engine (RL10) 13. 18 VIEWS First-Stage Oxidizer (LO2) Tank 15. Isogrid Structure 15 15. Interstage Adapter 14. 15. Anti-slosh Bale 16. Solid Rocket Booster Nose Cone 16. Booster 19 19 17. Solid Rocket Booster 17. First-Stage Oxidizer (LO2) Tank 16. Centerbody 16 20 17. First-Stage Fuel (LH2) Tank 18. First-Stage Fuel (RP-1) Tank 18. Orthogrid Structure 2820 Atlas V Atlas V Atlas V Atlas V Atlas V Atlas V Atlas V Atlas V Atlas V Atlas V Atlas V Atlas V Vulcan Centaur Vulcan Centaur Vulcan Centaur Delta IV 19. First-Stage Oxidizer (LO2) Feedline 19. Solid Rocket Booster Nose Cone 21 18. First-Stage Oxidizer (LO2) Feedline 401 411 421 431 Starliner 501 511 521 531 541 551 552 (2 Solids) (6 Solids) Heavy Heavy 20. Solid Rocket Propellant 20. Common Bulkhead 2821 22 19. Port Strap-on Common 21. Hydrazine Bottle 21. Solid Rocket Booster Booster Core 23 2219 22. First-Stage Engine (RD-180) 22. First-Stage Fuel (LNG) Tank 20. Center Common Booster Core 17 PERFORMANCE (kg/lb) 23. First-Stage Oxidizer (LO2) Feedline 23. Solid Rocket Booster Nozzle 24 21. Starboard Strap-on Common 24. Solid Rocket Propellant Booster Core GEO N/A 1,935/4,270 2,480/5,460 2,820/6,210 N/A N/A N/A 2,540/5,610 3,080/6,800 3,530/7,800 3,850/8,500 N/A 2,050/4,500 6,000/13,200 7,200/15,900 6,580/14,500 18 25. First-Stage Engine (BE-4) 22. Isogrid Structure GTO 4,750/10,470 5,950/13,110 6,890/15,180 7,700/16,970 N/A 3,780/8,330 5,250/11,570 6,480/14,280 7,450/16,420 8,290/18,270 8,900/19,620 N/A 7,400/16,400 13,300/29,300 16,300/35,900 14,210/31,330 26. Solid Rocket Booster Nozzle 23. First-Stage Fuel (LH2) Feedline 19 24. Thermal Shield LEO REF 9,800/21,600 12,030/26,530 13,600/29,980 15,260/33,660 N/A 8,210/18,100 11,000/24,250 13,500/29,760 15,530/34,250 17,410/38,400 18,850/41,570 21,000/46,300 17,800/39,200 27,500/60,300 34,900/76,900 28,370/62,540 20 25. First-Stage Engine (RS-68A)

LEO ISS 8,910/19,640 10,670/23,530 12,060/26,600 13,250/29,220 13,250/29,220 7,540/16,630 10,160/22,410 12,510/27,590 14,480/31,920 16,290/35,920 17,720/39,080 19,730/43,500 15,300/33,800 24,200/53,400 31,400/69,300 25,980/57,280 21 2319 NAMING CONVENTION LEO POLAR 8,080/17,820 9,980/22,020 11,140/24,560 12,130/26,750 N/A 6,770/14,930 9,060/19,990 11,160/24,610 12,880/28,410 14,480/31,940 15,760/34,750 18,050/39,800 14,300/31,500 22,300/49,200 27,900/61,500 23,560/51,950 Atlas V 551 22 25 24 Payload Fairing Diameter (Meters) 25 GEO (Geosynchronous Earth Orbit) = 35,786 km circular at 0 deg | GTO (Geosynchronous Transfer Orbit) = 35,786 km x 185 km at 27.0 deg | LEO-Reference (Low Earth Orbit-Reference) = 200 km circular at 28.7 deg | LEO-ISS (Low Earth Orbit-International Space Station) = 407 km circular at 51.6 deg | LEO-Polar (Low Earth Orbit-Polar) = 200 km circular at 90 deg 26 Number of Solid Rocket Boosters (0-5) 23 Number of Centaur Engines (1-2)