20 CFR §10.913

1. (a)OWCP will consider that an employee incurred injury in connection with service with an Armed Force in a contingency operation if:
   1. (1)The employee incurred injury while serving under the direction or supervision of an official of an Armed Force conducting a contingency operation; or
   2. (2)The employee incurred injury while riding with members of an Armed Force in a vehicle or other conveyance deployed to further an Armed Force's objectives in a contingency operation.
2. (b)An employee may incur injury in connection with service with an Armed Force in a contingency operation in situations other than those listed above. Additional situations will be determined by OWCP on a case-by-case basis.