Slacks and a collared shirt work well for administrative duties in the office. Other times, my favorite baggy coveralls are most practical, when its time for aircraft maintenance.  On a day when the call comes, and it’s  time to take care of business, the uniform puts pilot and passenger in the right frame of mind to be successful. In missionary life we battle against principalities, powers, and rulers. To withstand their attacks, we must depend on God’s strength by dressing for success. Paul exhorts every believer to be fully armed, by putting on the whole Armor of God (Eph 6:10-20).