 More than $475 million, or 75 percent of the MSTS operating budget for calendar year 1952, was paid directly to commercial shipping interests.In addition to the ships assigned directly to MSTS, 130 laid-up Victory ships in the NDRF were broken out by the Maritime Administration and assigned under time-charters to private shipping firms for charter to MSTS.Ships of the MSTS not only provided supplies but also served as naval auxiliaries.