Attention deficit hyperactivity disorder has three subtypes, which vary by the presentation of symptoms. With predominantly inattentive ADHD, the patient has six or more symptoms that fall into the inattentive category.n particular, ADHD patients have variations on the transporter genes for these neurotransmitters. For example, patients with predominantly inattentive ADHD had changes to their norepinephrine transporter gene, which affects norepinephrine levels in their brains.
The Zumwalt class warships are the largest destroyer ever built. Actually in terms of size, displacement and armament these are closer to cruisers rather than destroyers. The Zumwalt class ships are even larger than Ticonderoga class cruisers. These new vessels sport cutting-edge technology and are stealthy to radars.
At the U.S. Naval Academy, in Alumni Hall, a concourse is dedicated to Lt. Lloyd Garnett and his shipmates on USS Samuel B. Roberts (DE-413), who earned their ship the reputation as the destroyer escort that fought like a battleship in the Battle of Leyte Gulf. The Battle of Leyte Gulf is generally considered to be the largest naval battle of World War II and, by some criteria, possibly the largest naval battle in history. It was fought in waters near the Philippine islands of Leyte, Samar and Luzon, from 23â26 October 1944, between combined American and Australian forces and the Imperial Japanese Navy. On 20 October, United States troops invaded the island of Leyte as part of a strategy aimed at isolating Japan from the countries it had occupied ...