Advanced Laser Systems Technology Inc. (ALST) of Orlando, Fla., has been selected by the Boeing Co. to devel-op a laser rangefinder for the Orbit-al Express Space Operations Architectural program, sponsored by the Defense Advanced Research Projects Agency. Boeing is the prime contractor of the Orbital Express, which seeks to extend spacecraft life through autonomous systems for refueling and reconfiguration. The space-based rangefinder will be requisite to robotic docking procedures for spacecraft.