NASA's Soil Moisture Active Passive (SMAP) spacecraft will be boosted into orbit aboard a United Launch Alliance Delta II rocket from Vandenberg Air Force Base in California. Learn how SMAP and the Delta II were readied for liftoff.
NASA's Soil Moisture Active Passive (SMAP) spacecraft will be boosted into orbit aboard a United Launch Alliance Delta II rocket from Vandenberg Air Force Base in California. Learn how SMAP and the Delta II were readied for liftoff.
Weather forecasters from the U.S. Air Force 30th Weather Squadron are predicting an 80 percent chance of favorable weather for launch of NASA's SMAP observatory aboard a United Launch Alliance Delta II rocket. Liftoff from Vandenberg Air Force Base in California is targeted for 9:20 a.m. EST on Thursday, Jan. 29 at the opening of …
Launch of NASA's Soil Moisture Active Passive, or SMAP observatory, aboard a United Launch Alliance Delta II rocket remains on schedule. Liftoff from Vandenberg Air Force Base in California is targeted for 9:20 a.m. EST on Thursday, Jan. 29 at the opening of a 3-minute launch window. The full launch team, spacecraft test team and …

Test your understanding of the SMAP mission with our Mission Quiz! Go to the Mission Quiz app, select SMAP from the "Featured" list, and get started. Along with each question, there's a "Research" button to help you find the answer if you need a little extra help.

NASA's Soil Moisture Active Passive spacecraft has been attached to the top of the United Launch Alliance Delta II rocket that will deliver it to orbit. Preparations for the Jan. 29 launch are on schedule at Vandenberg Air Force Base in California. Payload carriers containing small satellites called CubeSats are being attached to the rocket's …