The solid rocket booster avionics for the first two test flight of NASAโ€™s Space Launch System (SLS) heavy-lift rocket were tested March 28 at ATK Aerospaceโ€™s Promontory, Utah, facility, according to an April 2 NASA press release. The test was meant to pave the way for a full-scale booster firing early next year.

During the test, dubbed Flight Control Test 1 (FCT-1), ATK technicians used a new SLS booster avionics system to command space shuttle-heritage thrust vector control actuators during a simulated launch. Two additional tests are planned for the avionics and control system, NASA said.

โ€œWe are pleased to see how the avionics system functioned outside the lab,โ€ Todd May, SLS program manager at Marshall Space Flight Center in Huntsville, Ala., said in a statement. โ€œThis test provides and insightful first look at how the booster thrust vector control system will operate and interface with flight hardware.โ€

ATK is the booster prime contractor for the first two SLS test flights, planned for 2017 and 2021. The first qualification test of a five-segment SLS booster is slated for spring 2013.