MAST seeks large acoustic underwater calibration facilities Call for tenders concerning requirements, site proposals and market analysis for large acoustic underwater calibration facilities. (MAST programme). Call for tenders concerning requirements, site proposals and market analysis for large acoustic underwater calibration facilities. (MAST programme).Further information from: Commission of the European Communities, DG XII/E MAST programme (SDME 3/48) Square de Meeus 8 B-1040 Brussels Telex 21877 COMEU B; Fax +32-2-2363024