<https://www.specialforces78.com/wp-content/uploads/2020/12/0121-Sentinel-News-min.pdf#webpage>
<http://schema.org/description>
"A book review of Alastair Mackenzie's \"Pilgrim Days: A Lifetime of Soldiering from Vietnam to the SAS\". (2019)"
<https://sof.news/books/pilgrim-days/>