Explore detailed histories of U.S. with authoritative narratives and over 1,100 high-quality photographs. View ship service records and imagery. Zoom in on photos for close examination. Sync with iPad and latest iPhones for optimal display.
Learn vocabulary and phrases through effective memorization techniques. Use audio lessons to improve listening skills. Practice grammar and pronunciation with structured exercises. Track progress with built-in quizzes and review sessions.
Reference provides detailed system information including technical specs and employment data. Users can compare weapons side-by-side, access flashcards, and estimate range. Features are available offline with GPS required for some functions.
