All of the privately incurred development costs were shared equally between the two partners; in November 1977, the programme received a huge boost when the government of West Germany announced that it would fund half of the costs of development.
Todos os custos de desenvolvemento foron compartidos a partes iguais entre os dous socios; en novembro de 1977 o programa recibiu un gran impulso cando o goberno de Alemaña Occidental anunciou que financiaría a metade dos custos de desenvolvemento.