Complex sentence: PATCO was founded in 1968 with the assistance of attorney and pilot F. Lee Bailey, and succeeded in being recognized as a collective bargaining agent in 1969, after a brief labor stoppage referred to as the "sickout".
Split into simpler sentences: PATCO was founded in 1968 with the assistance of attorney and pilot F. Lee Bailey. PATCO first succeeded in being recognized as a collective bargaining agent in 1969, after a brief labor stoppage referred to as the "sickout".