Naf atsugi air raid shelters

Greetings from Japan! I’m AVCM Becht at NAF Atsugi and am leading an effort to re-discover the existing air raid shelter under this base. I have the maps from the last survey that was done in 1954. Anybody having any first hand knowledge about these tunnel please contact me at stealth_071@hotmail.com or christopher. becht@fe.navy.mil.