From the practical point of view, the best individual clinical pictures are: 1. massive pulmonary embolism, 2. pulmonary infarction, 3. chronic thromboembolic. But there are many atypical clinical aspects and environmental aspects, between the saddle pulmonary embolism, massive or recurrent. Diagnosis of saddle pulmonary embolism
The maximum time authorized for PTDY is 10 days, except in critical situations. Requests for extensions beyond 10 days must be submitted through the chain of command to Commanding General, US Army Human Resources Command, Attn: AHRC-PDP-P, 1600 Spearhead Division Ave., Dept 480, Fort Knox, KY 40122-5408.
See the World War II US PT Boat Transfers table for details. PT 8 was reclassified as a Yard Patrol / District Patrol Vessel, YP 110, on October 14, 1941. PT 9 was a 70' British Scott-Paine designed boat built by the British Power Boat Company and purchased by Elco in 1939 for study.