After HMS Opportune was decommissioned on June 2, 1993, it was initially kept at Pounds scrapyard in Portsmouth for several years. According to the Wikipedia page on HMS Opportune (S20), the vessel was eventually sold for scrap. This information is supported by the List of Oberon-class submarines page on Wikipedia, which also states that HMS Opportune was sold for scrap after its decommissioning. Here is an image of HMS Opportune, illustrating the vessel that was decommissioned and later sold for scrap: .