On 25051994 S 44 Marder was decommissioned on 24061994 followed by S 51 Hher also these two boats were sold to Greece

Could you correct the punctuation please?
On 25.05.1994 "S 44 - Marder" was decommissioned, on 24.06.1994 followed by "S 51- Haher"; also these two boats were sold to Greece.