uspa.org
网站标题：	USPA > United States Parachute Association
网站简介：	The United States Parachute Association and its nearly 40,000 member skydivers enjoy and promote safe skydiving through parachuting training, rating, and competition programs. USPA represents parachute jumping from aircraft and helps keep skydivers in the air.
关键字：	skydive  skydiver  skydiving  parachuting  parachuter  parachutist  skydivers  jumpers  jumping  parachute  jumping  parachute  instruction  skydiving  instruction  skydiving  lessons  sky  jumping  skyjumping  freefall

 

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