build time: 4 watches
minimum tech level: atomic (3)
Upgrade to: hypersonic missile complex?
GDMs vulnerable to mass swarms of Vangaurd-class explorer ships. Here is a table listing fights between Vanguard Explorers and GDMs. No other ships were present.
|Attacking Vanguards||Defending GDMs||result|
|2600||20||Vanguard slaughters GDMs|
|~2000?||~600?||VGs win, ~13k left|
|1500||900||VG remain: 730 GDM remain: 230 attack fails|
Stinger-class jumpships will shoot down GDMs. ~300 Stingers defeated ~1300 GDMs with negligible losses.
Adamant-class jumpships appear to outrange GDMs competely.