The Explorers and Heliophysics Projects Division (EHPD) consists of three programs: Explorers, Living With a Star (LWS), and Solar Terrestrial Probes (STP). The Explorers Program is an uncoupled Program which provides frequent flight opportunities for world-class scientific investigations from space within NASA Heliophysics and Astrophysics Space Science goals. Explorers projects are typically implemented in the Principal Investigator (PI) mode. The LWS Program is a loosely coupled Program which provides missions to improve our understanding of how and why the Sun varies, how the Earth and Solar System respond, and how the variability and response affects humanity in Space and on Earth. LWS projects are implemented under a partnership agreement between the Goddard Space Flight Center (GSFC) and the Johns Hopkins University Applied Physics Laboratory (APL). The STP Program is an uncoupled Program which provides missions to understand the fundamental physics processes from the Sun to Earth, to outer planets, and beyond to the interstellar medium.
04.23.13 – WASHINGTON — News media planning to cover the launch of NASA's Interface Region Imaging Spectrograph (IRIS) mission on June 26 at Vandenberg Air Force Base in California should apply for accreditation by June 18.
Deployment of IRIS from the Orbital Sciences L-1011 carrier aircraft aboard a Pegasus rocket is targeted for 10:27 p.m. EDT at an altitude of 39,000 feet over the Pacific Ocean. That location is approximately 100 miles northwest of Vandenberg off the central coast of California.
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