-This book explain that each year the heritage foundation's index of U.S military strength gauges the ability of the U.S military to perform its mission in today's world and assesses how the condition of the military has changed from the preceding year.
Sejak kesuksesan Jerman menggelar Operasi Blitzkrieg pada awal Perang Dunia II, pamor kendaraan tempur seperti panser dan tank meningkat tajam dibandingkan pada masa-masa sebelumnya.