We had them about 8"-9" long at one firebase out in the mountains of South Vietnam. Two Marines were medevaced after being bitten, one on the side of the face and the other on his, um, ...., well, private parts.
If we found one while digging a bunker, etc, after chopping it with and E-tool, we'd place the pieces on a stump, pile excess powder bags from the mortar rounds on it and light them off. Then we'd all dance around cheering.
We REALLY hated centipedes!
We have big purple suckers here in Hawaii, and you do not lean against lava rock walls at night for the usual reasons.