Original sentence: At 14,000 feet his F-51's engine stalled; the object was still 2,000 feet above him.At 9:07 PM Gorman contacted the control tower at Fargo's Hector Airport and asked if they had any air traffic in the area other than his F-51 and the Piper Cub.On October 1, 1948 he was participating in a cross-country flight with other National Guard pilots; he was flying an F-51 Mustang.The officers also checked Gorman's F-51 Mustang with a geiger counter for radiation
Edited sentence: At 14,000 feet his P-51's engine stalled; the object was still 2,000 feet above him.At 9:07 PM Gorman contacted the control tower at Fargo's Hector Airport and asked if they had any air traffic in the area other than his P-51 and the Piper Cub.On October 1, 1948 he was participating in a cross-country flight with other National Guard pilots; he was flying an P-51 Mustang.The officers also checked Gorman's P-51 Mustang with a geiger counter for radiation