Crewe Unit is named after her Affiliation to H.M.S. Ambuscade Hence T.S.Ambuscade H.M.S.Ambuscade was a type 21 Frigate in the Royal Navy up until she was bought by Pakistan along with the other type 21 Frigates in 1994, She is now called the TARIQ. Find out more: H.M.S.Ambuscade Association About the Tariq class frigates (Pakistan) Model Warship.com - 1/72 scale model of H.M.S.Ambuscade Crewe Unit is now affiliated to RFA Waveruler - Fleet Support Tanker RFA Website The unit has also had links to the U.S.S.Nimitz The official Nimitz website