An upgraded ballistic rocket was reportedly launched Tuesday from the Gaza Strip into the Mediterranean sea, presumably to test the weapon’s capabilities and range.

The test caused loud explosion sounds that were audible in Israeli towns and cities adjacent to the Gaza border, Channel 2 reported. The rocket was an improved version of the M-75 missile with a slightly longer range and a larger warhead, the report said.

Other Israeli news outlets, citing the army, attributed the explosion sounds to ultrasonic booms caused by Israeli jets that were participating in a drill. […]