Introduction and Context: The article “Review of Nondestructive Testing (NDT) Techniques for Timber Structures” provides a comprehensive overview of the methods used to assess the condition of timber used in buildings and bridges without causing damage to the materials or structures themselves. Timber is a renewable, sustainable, and widely used construction material, especially in the United States where it constitutes about 90% of residential building stock and remains popular in small bridges and other infrastructure. Due to its organic nature,