PICTURE SHOWS: A SpaceX Falcon Heavy rocket carrying 24 satellites as part of the Department of Defense's Space Test Program-2 (STP-2) mission launches from Launch Complex 39A, Tuesday, June 25, 2019 at NASA's Kennedy Space Center in Florida. Four NASA technology and science payloads which will study non-toxic spacecraft fuel, deep space navigation, "bubbles" in the electrically-charged layers of Earth's upper atmosphere, and radiation protection for satellites are among the two dozen satellites that will be put into orbit. Photo Credit: (NASA/Joel Kowsky) ... STORY COPY: NASA have taken the opportunity to highlight that they are not just about leaving the Earth???s atmosphere with a look back at 100 images documenting the 2019 work of the NASA Headquarters photo team. Here are some highlights of their pictorial choices. Where: Cape Canaveral, Florida, United States When: 25 Jun 2019 Credit: NASA/Cover Images **Editorial use only**