Complex sentence: The CBU-97 contains 10 BLU108-66/B tactical munitions dispensers (TMD) who each contain 4 hockey puck shaped sensor-fused submunitions that automatically fire at the first heat source they find.
Split into simpler sentences: The CBU-97 contains 10 BLU108-66/B tactical munitions dispensers (TMD) who each contain 4 hockey puck shaped sensor-fused submunitions. Who automatically fire at the first heat source they find.