[Civil defense, medical unit.]

[Civil Defense.]

[Civil defense.]

[Message room.]

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Civil defense officer, possibly leading a drill.]

[Civil defense.]

[Eleven views of empty civil defense offices.]

[Civil defense, message center.]

[Eleven views of empty civil defense offices.]

[Civil defense officers surrounding a ladder.]