spine; line of the backbone; seam down the back (of clothing)
to grow up; to become an adult; to become big; to grow in size
captain (Army, US Marine Corps, USAF); lieutenant (Navy); flight lieutenant (RAF, RAAF, RNZAF, etc.)
commander; commanding officer; CO
participant; entrant; player; competitor
acknowledgement; acknowledgment; understanding; approval; consent
outline; summary; overview; synopsis; abstract; abridgment
(not) so; (not) particularly; (not) very; (not) that much
stronghold; citadel; base (of operations); headquarters
drawing; picture; diagram; sight; scene
corner; section; one horn; pillar (of a group, system, etc.); member (of an organization, etc.); first corner
to head out (for); to head (to); to go (to); to leave (for)
base (military, expedition, etc.); enthusiast; maniac; fanatic
destruction; disruption; (application) crash
after all; in the end; anyway; (cannot) possibly; (not) at all; (not) by any means
opposition; rivalry; competition; antagonism
stupid; meaningless; worthless; hopeless (person, situation); beyond help; beyond saving
cannot be compared (with); being no match (for)
conditional; qualified; with conditions attached
to keep company; to listen to; to associate with; to play against (e.g. a team); to take on (e.g. a rival)
in some way or other; one way or another; somehow; only just; barely
in addition; furthermore; above (which); on top of (which)
to make up the number; to have a complete set of
skill; proficiency; experience; dexterity
(confronting a problem, etc.) head-on; directly; outright; (lit.) from the front
to attack; to assault; to challenge; to take on; to be bold; to be audacious
together with; same; both; all; including ...
armed forces; military; troops
thorough; exhaustive; complete
rough (estimate, summary, etc.); broad; general; careless (e.g. work); sloppy; crude
to crunch; to masticate; to simplify; to explain plainly
deployment; spreading out; dispersal
to fail to catch; to let slip; to miss
rather; better; instead; if anything
high-speed; rapid; express; highway; freeway; expressway
to miss (e.g. a chance); to lose; to set free; to let go; to fail to ...
concentration (of efforts, forces, etc.); gathering together; regimentation; marshalling; mobilization
to rally; to make a comeback