These ships were all larger and had a greater aircraft capacity than all the preceding American built escort carriers.
[1] Propulsion was provided by a steam turbine, two boilers connected to one shaft giving 9,350 brake horsepower (SHP), which could propel the ship at 16.5 knots (30.6 km/h; 19.0 mph).
[1] On 2 August 1943 after being decommissioned Bolinas was transferred to the United Kingdom under Lend-Lease and renamed HMS Begum (D38).
Begum served with the Royal Navy during World War II, doing anti-submarine sweeps in the Indian Ocean with 832 Squadron as her complement, participating in the sinking of the German submarine U-198.
She was stricken for disposal 19 June 1946 and sold by the Navy into merchant service 16 April 1947 as Raki and later I Yung.