== Delta II launches ===== Notable payloads ===* 2001 Mars Odyssey* CONTOUR* Dawn* "Deep Impact"* Deep Space 1* GLAST* GRAIL* Gravity Probe B* Mars Climate Orbiter* Mars Exploration Rovers* Mars Global Surveyor* Mars Pathfinder* Mars Phoenix* Mars Polar Lander* MESSENGER* NEAR* Jason-2* Polar (satellite)* ROSAT* Spitzer Space Telescope (SIRTF)* STEREO* Swift* THEMIS* USA 193 (NROL-21)* WIND* WISE* Kepler* STSS-ATRR* Genesis (spacecraft)Additionally, the Delta II launched several NASA missions to Mars:* Mars Global Surveyor in 1996* Mars Pathfinder in 1996* Mars Climate Orbiter in 1998* Mars Polar Lander in 1999* Mars Odyssey in 2001* Mars Exploration Rovers (MER-A, "Spirit" and MER-B, "Opportunity") in 2003* Mars Phoenix Lander in 2007Furthermore, between May 1997 and November 1998, Delta II vehicles placed 55 Iridium satellites into orbit.
Delta II obsega rakete Delta 6000, Delta 7000, in dve 7000 različici ("lahka" in "težka").