Revenue (Tables)
 9 Months Ended
Sep. 30, 2022
Revenue from Contract with Customer [Abstract]  
Remaining Performance Obligation
Remaining performance obligations as of September 30, 2022 and December 31, 2021 are presented in the following table:
September 30,December 31,
(In millions)20222021
Performance Obligations$3,362 $1,398 
Disaggregation of Revenue
Revenue by contract type for the three and nine months ended September 30, 2022 and October 1, 2021 is as follows:
Three Months EndedNine Months Ended
September 30,October 1,%September 30,October 1,%
(In thousands)20222021Change20222021Change
Cost-plus and cost-reimbursable$505,743 $338,007 49.6 %$1,172,397 $972,426 20.6 %
Firm-fixed-price416,618 105,619 294.5 %672,970 345,792 94.6 %
Time and material35,795 15,782 126.8 %67,326 46,039 46.2 %
Total revenue$958,156 $459,408 $1,912,693 $1,364,257 
Revenue by geographic region in which the contract is performed for the three and nine months ended September 30, 2022 and October 1, 2021 is as follows:
Three Months EndedNine Months Ended
September 30,October 1,%September 30,October 1,%
(In thousands)20222021Change20222021Change
United States$582,817 $139,357 318.2 %$908,271 $435,717 108.5 %
Middle East261,997 263,257 (0.5)%747,310 761,758 (1.9)%
Europe62,669 34,902 79.6 %143,847 111,604 28.9 %
Asia50,673 21,892 131.5 %113,265 55,178 105.3 %
Total revenue$958,156 $459,408 $1,912,693 $1,364,257 
Revenue by contract relationship for the three and nine months ended September 30, 2022 and October 1, 2021 is as follows:
Three Months EndedNine Months Ended
September 30,October 1,%September 30,October 1,%
(In thousands)20222021Change20222021Change
Prime contractor$886,415 $429,370 106.4 %$1,781,961 $1,272,671 40.0 %
Subcontractor71,741 30,038 138.8 %130,732 91,586 42.7 %
Total revenue$958,156 $459,408 $1,912,693 $1,364,257 

Revenue by customer for the three and nine months ended September 30, 2022 and October 1, 2021 is as follows:
Three Months EndedNine Months Ended
September 30,October 1,%September 30,October 1,%
(In thousands)20222021Change20222021Change
Army$352,923 $304,341 16.0 %$959,792 $869,690 10.4 %
Air Force165,085 63,569 159.7 %295,015 207,565 42.1 %
Navy270,071 52,556 413.9 %410,173 165,391 148.0 %
Other170,077 38,942 336.7 %247,713 121,611 103.7 %
Total revenue$958,156 $459,408 $1,912,693 $1,364,257