Warships. To amend act establishing composition of Navy, hearing, 74th Congress, 2d session, on H. R. 5730 [to amend sec. 3 (b) of act to establish composition of Navy with respect to categories of vessels limited by treaties signed at Washington, Feb. 6, 1922, and at London, Apr. 22, 1930, at limits prescribed by those treaties, to authorize construction of certain naval vessels, and for other purposes, relating to excess profits of contractors], Mar. 6 and 17, 1936.