Current plans:

Submarine:

USS Grampus (done)
Some North Korean Subs
Ghadir-class submarine

Ships:

Khamronsin-class corvette
HTMS Similan
HTMS Suriya
Tor. 813 (done)
HMS Radiant/HTMS Phra Ruang
HTMS Jaen Thalae
PC-461-class submarine chaser (done)
HTMS Posamthon
USS Hemminger/HTMS Pin Klao
HTMS Makut Rajakumarn
HTMS Pharuehatsabodi
HTMS Ratanakosin
Other RTN patrol boats

Ekranoplan: (maybe?)

A-90 Orlyonok