Will you be more ready than that when itâs time to talk to your daughter about her first period? That time may come sooner than you think. Although a girlâs first period usually occurs at about age 12, some girls experience their first period much earlier.
Air interdiction is a core airpower mission that has been conducted since World War I by virtually all air forces. In that war, the goal was to isolate the battlefield by strafing and bombing enemy supply lines.
Â· just now. 1  CTAF (Common Traffic Advisory Frequency) is the name given to the VHF radio frequency used for air-to-air communication at U.S., Canadian and Australian non-towered airports. Many towered airports close their towers overnight, keeping the airport itself open for cargo operations and other activity.