The United Launch Alliance Delta II rocket with the Soil Moisture Active Passive satellite aboard, at the Space Launch… https://www.rawpixel.com/image/440455/free-photo-image-sunset-america-americas-public-domainFree Image from public domain licenseFollowing the postponement on Nov. 14, 2017, the countdown is again underway for the liftoff of the Joint Polar Satellite… https://www.rawpixel.com/image/440582/free-photo-image-nasa-rocket-americaFree Image from public domain licenseThe launch gantry is rolled back to reveal the United Launch Alliance Delta II rocket at Vandenberg Air Force Base, Calif.… https://www.rawpixel.com/image/439958/free-photo-image-spacecraft-nasa-distributionFree Image from public domain licenseThe launch gantry is rolled back to reveal NASA's Orion spacecraft mounted atop a United Launch Alliance Delta IV Heavy… https://www.rawpixel.com/image/440497/free-photo-image-nasa-kennedy-americaFree Image from public domain licenseThe upper levels of the launch gantry, surrounding the United Launch Alliance Delta II rocket at Vandenberg Air Force Base… https://www.rawpixel.com/image/439969/free-photo-image-american-flag-air-force-americas-public-domainFree Image from public domain licenseThe launch gantry is rolled back to reveal NASA's Orion spacecraft mounted atop a United Launch Alliance Delta IV Heavy… https://www.rawpixel.com/image/440503/free-photo-image-nasa-america-americas-public-domainFree Image from public domain licenseThe gantry rolls back at Space Launch Complex 2 in preparation for the liftoff of the Joint Polar Satellite System-1… https://www.rawpixel.com/image/440585/free-photo-image-nasa-america-americas-public-domainFree Image from public domain licenseThe launch gantry, surrounding the United Launch Alliance Delta II rocket at Vandenberg Air Force Base, Calif. Original from… https://www.rawpixel.com/image/439965/free-photo-image-space-infrared-nasaFree Image from public domain license