Complex sentence: This will eventually cause the RV to move out in front of the decoys, but the RV can often be picked out earlier by examining the threat tube as a whole and watching for objects that have lower deceleration.
Split into simpler sentences: This will eventually cause the RV to move out in front of the decoys. But the RV can often be picked out earlier by examining the threat tube as a whole and watching for objects that have lower deceleration.