sentences:  However, by 1953, the Navy had to be satisfied with two aircraft carriers.The PA 54 "Clemenceau", budgeted in 1953, was delayed until November 1955, the PA 55 "Foch", budgeted for 1955, was delayed until February 1957.Between 1980 and 1981, she underwent a study to certify the platform before catapulting aircraft carrying missiles, bombs, AM-39 Exocet and tactical nuclear bombs.