The first Harrington-class SD(P) was completed for the first aniversity of the execution of Honor, there were 11 SD(P)'s for Second Battle of Basilisk which was sometime in 1913 but before battle of Cerebrus which was in October 1913. So early 1913 because people captured during Operation Icarus were brought to Cerebrus, spend time with the liberated prisoners and participated in the battle of Cerebrus.Jonathan_S wrote:Some of those seem pretty unlikely. In 1910 the MDMs, Ghost Rider drones, and SD(P)s would have still be under discussions at BuWeaps. Their report agreeing to them was brand new when Honor talked to White Haven on Grayson (before heading out to get captured). I wasn't able to find a date for that talk, but she was "executed" in Jan 1912 and I don't think it was over a year from her leaving Grayson until her "execution".
Since the Harrington class were commissioned in 1913 it is conceivable that some of those SD(P)'s were captured under construction in 1910-1911.
As for MDM's there is always a chance to capture some designs and/or prototypes but even if they were to say only hear about them or see them in battle when the RMN rushes them into production out of desperation they can come up with their own quickly enough. They went from no MDMs and SD(P)'s to a lot of MDMs and SD(P)'s in a short bperiod between the first and second war.