The chairman of the House Armed Services strategic forces subcommittee is trying to push Congress and ultimately the Obama administration to tweak its evaluation criteria for Evolved Expendable Launch Vehicle (EELV) rocket providers — which could help Boeing and Lockheed Martin and be another hurdle for Space Exploration Technologies (SpaceX).

Anomaly in RS-68 engine prompts one-day delay

MONT-DE-MARSAN, France — France’s two new Pleiades optical imaging satellites are generating more than 30 high-resolution images per day in support of military operations in Mali, where troops have been fighting Islamist rebels since the French-led intervention began in mid-January. The pictures, supplied to French forces using the Pleiades 1A and 1B spacecraft, supplement high-resolution optical imagery furnished by the French Helios 2 military reconnaissance satellite launched in 2009.

A non-toxic propellant and related hardware developed in Sweden for spacecraft attitude control has been tested for NASA’s Goddard Space Flight Center at ATK Defense Group’s Elkton, Md., facility, as the civilian space agency continues its search for “green” propulsion systems.

NASA’s third New Frontiers-class mission, the Osiris-Rex asteroid sample return probe, cleared a crucial decision point for development May 15 and is expected to proceed in preparation for launch to the asteroid Bennu in September 2016. If all goes well, Osiris-Rex (Origins-Spectral Interpretation Resources Identification Security Regolith Explorer) will return samples of the asteroid to Earth in 2023.

NASA’s Ames Research Center will test a 10-in. high deployment system that can launch as many as 24 nanosats at once during piggyback rides on two Defense Department demonstration missions.

Asteroid exploration featured in NASA’s proposed $17.7 billion budget

Proton Breeze M launched from Pad 39 at the Baikonur Cosmodrome