The Royal Navy Spent £900 Million on 4 New Submarines and Retired the Last After 16 Months Then Sold Them To Canada for £...
Britain spent approximately £900 million at 1993 prices on four Upholder-class diesel-electric submarines, an average program cost of £225 million per boat. The first was ordered in 1983, and the other three in 1986. The class entered Royal Navy service …