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Product Name: Delta
Product Description
The Delta IV is the most advanced family of rockets developed by The
Boeing Company in partnership with the U.S. Air Force Evolved Expendable Launch
Vehicle program to provide Assured Access to Space for U.S. government
customers.
Delta IV rockets can accommodate single or multiple payloads on the same
mission and can launch payloads to polar orbits, Sun-synchronous orbits,
geosynchronous and geosynchronous transfer orbits, and low-Earth orbit.
Delta IV blends advanced and proven technologies to launch medium-to
heavy-size satellites. Each Delta IV rocket is assembled horizontally, erected
vertically on the launch pad, integrated with its satellite payload, fueled and
launched. This process reduces on-pad time to less than 10 days and the amount
of time a vehicle is at the launch site to less than 30 days upon arrival from
the factory. This reduces costs associated with launch site operations and
increases customer schedule flexibility.
First-Stage
All configurations utilize the Boeing Common Booster Core first stage with
the flight-proven Rocketdyne RS-68 liquid-fueled main engine:
- Bell-nozzle design with fewer parts
- Liquid hydrogen, liquid oxygen fuel mix
Second-Stage
Derived from the Delta III but with expanded capabilities, the Delta IV
second stage possesses the following components:
- Pratt & Whitney RL10B-2 upper stage engine
- Two sizes of expanded fuel and oxidizer tanks
Payloads, Fairings, and Payload Attach Fittings
Delta IV configurations address current and future requirements of U.S.
government customers, utilizing advanced and proven technologies, processes and
systems.
Payloads:
- Delta IV vehicles can launch payloads weighing from 4,300 kg (9,480 lb) to
12,980 kg (28,620 lb) to geosynchronous transfer orbit, and can lift over
23,000 kg (50,000 lbs.) to low-Earth orbit (LEO)
Fairings:
- Delta IV Medium and Medium+ vehicles use a 4-m (13.1-ft) or 5-m (16.6-ft)
diameter composite fairing
- The Delta IV Heavy vehicle uses a 5-m (16.6-ft) diameter composite fairing
or a 19.8-m (65-ft) long, 5-m (16.6-ft) diameter aluminum fairing
Payload Attach Fittings:
- Compatible with industry-standard interfaces for current and future
spacecraft
- Dual-payload attach fitting capability
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