Talk:Type 3 Active Sonar/@comment-72.222.158.64-20170113173700

What's a good number of these to keep? Currently have 17 type 3 + 1 type 4. Have a few kiyoshimas that i've been saving to grind up, but thinking now I just might scrap them. With OASW, doubt i'll ever upgrade any to type 4s.