Only Fossett is flying solo on the estimated two to three week trip. In addition, three other teams have announced their plans to join the race, including a team who will make their attempt from Australia, ascending to an altitude of 130,000 feet.
ALS is a fatal disease: Most ALS patients die within two to five years of diagnosis. Common causes of death are respiratory failure and/or cardiac problems related to insufficient oxygen. Patients may also suffer respiratory infections, such as pneumonia.
Gehrig has been the face of ALS ever since his diagnosis and emotional farewell from baseball in 1939, but he was cremated after his death in 1941, ensuring that his legacy as ALS's most famous patient will continue.