However, this phrase is ambiguous. In professional and technical contexts, "VSP" typically stands for (a geophysical method used in oil and gas exploration) or Voluntary Separation Package (a human resources term). In automotive contexts, it might refer to Vehicle Service Protection (an extended warranty).
They did it quietly. Mara learned to slip the recorder into a unit's seams without leaving a trace that the clinic's cursors would flag. She watched a night nurse whisper an old lullaby into a patient's ear, and she waited until the nurse woke and smiled and carried the lullaby into a VSP slot tagged "child's dream." The recorder rode the lullaby like a secret folded inside a song. cracked vsp
Because I cannot deduce your specific field, I have written a based on the most common and impactful technical scenario: A Cracked Borehole Casing during Vertical Seismic Profiling (VSP) in petroleum geophysics. However, this phrase is ambiguous