Caldwell, M. W. Nos. 11866. 11869, in circuit court of appeals for 5th circuit, M. W. Caldwell et al., v. Alabama Dry Dock and Shipbuilding Company; J. J. Andrews et al. v. [same], appeals from district court for southern district of Alabama, John McDullie, judge: brief for administrator of Wage and Hour Division, as amicus curiae.