Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
during CWR exercise.
A, 60 rpm; B, 90 rpm; C, 120 rpm. •, Mod; □, H8; ▪, VH8. Error bars are s.d.
